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Exchange 2007 SP1Overview and New Features
23rd March 2009
Joo [email protected] Field EngineerMicrosoft Corporation
mailto:[email protected]:[email protected] -
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Exchange 2007 SP1Overview and New Features
Agenda
Exchange 2007 Roles Overview
Exchange 2007 SP1 Deployment
Exchange 2007 Management Model
Exchange 2007 SP1 Routing Topology & Mail FlowExchange 2007 SP1 Transport Management
Exchange 2007 SP1 Recipient management
Exchange 2007 SP1 Public Folder Management
Exchange 2007 SP1 Outlook Web Access
Exchange 2007 SP1 Mobile AccessExchange 2007 SP1 Database Management
Exchange 2007 SP1 Clustering & Continuous Replication
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Exchange 2007 SP1Roles Overview
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Exchange 2007 Roles Overview
Perimeter
Exchange 2007Edge Server
Intranet
Exchange 2007Server
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Exchange 2007 Roles & Topology
Enterprise Network
Routing Policy
Applica tions:
OWA, Outlook Anywhere
Protocols:
EAS, POP, IMAP, Outlook Anywhere
Programmability:
Web services, Web parts
Routing Hygiene
PBX or
VoIP
Mailbox
Public
Folders
Voice Messaging
Fax
Other SMTP
Servers
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Exchange 2007 Roles Overview
Edge Transport Server Role
Out of the Exchange Forest (workgroup recommended)
First line of defense for spam
Requires Active Directory Application Mode (ADAM) to receiveEdgeSync information
Publishing with ISA Server recommended
Protect communications over untrusted networks
Highly available messaging reduces downtime
Transport rules provide message filtering
Connectors enable message flowCustomized Exchange Management Console
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Exchange 2007 Roles Overview
Hub Transport Server Role
Predictable routing reduces maintenance
Connectivity to Exchange 2003 through Connectors
Confidential and tamper-proof communications
Messaging records management (MRM)- Retain the communications you need for compliance and nothing else
- Enable users to comply with regulatory policies
Highly available messaging reduces downtime
One Hub server per site where Mailbox role deployed
Rights-Protected E-mail functionality with RMSTransport rules
Ethical firewall
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Exchange 2007 Roles Overview
Mailbox Server Role
Traditional role
Can communicate with multiple Hub and CAS servers in the same site(at least one Hub and CAS role required)
Dedicated to manage mailbox and public folder databases
Support only for MAPI clients
Local continuous replication
Support for high availability
- Single Copy Cluster (SCC)
- Cluster Continuous Replication (CCR)- Standby Continuous Replication (SCR)
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Exchange 2007 Roles Overview
Client Access Server Role
Supports multiple internet client protocols
- OWA, POP3, IMAP4, Outlook Anywhere, Exchange ActiveSync
Provides AutoDiscover and Availability services
Proxy and Redirect of requestsProvides legacy access to Exchange 2000/2003 back-end server
Exchange 2000/2003 front-end server cannot connect to an Exchange2007 Mailbox server
One CAS server per site where Mailbox role deployed
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Exchange 2007 Roles Overview
Unified Messaging Server Role
Voice messaging system
Fax messaging system (inbound)
Outlook Voice Access (OVA)
Automated attendantSupport for multiple dial plans
Default Unified Messaging mailbox policy
Unified Messaging-enabled mailboxes
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Exchange 2007 SP1Deployment
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Exchange 2007 SP1 Server Deployment
Requirements64-bit Intel or AMD capable hardware
Minimum of 1GB of RAM, 2GB recommended
Windows Server 2003 SP2
- Microsoft .NET Framework 2.0
- Microsoft Management Console 3.0
Windows Server 2008
At least one DC/GC with Windows Server 2003 SP1 or above
DC/GC 64-bit based operating system recommended
At least one CAS and HUB server on AD site where Mailbox role is
deployedOnly mailbox role can use cluster
- Single Copy Cluster (SCC)
- Cluster Continuous Replication (CCR)
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Exchange 2007Management Model
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ExchangeManagement Console
ExchangeManagement Shell
Exchange 2007 Management Model
Management Tools
64-bit & 32-bit
Windows XPWindows Server 2003
Windows VistaWindows Server 2008
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Management Model
PowerShell Engine
Exchange cmdlets
AD
Registry
Files
E2007
Store
Processboundary
Command-line
WinForms
PowerShell Data Provider
Graphical
Exchange 2007 Management Model
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Exchange 2007 Management Model
Exchange Management Console (EMC)
Console remembers last location selected
Console snap-in can be combined with other MMC snap-ins
Console supports New Window from Here command
Rich filtering with support for 10 expressionsPickers and wizards
Domain-wide and forest-wide scoping supported
Results size limited to 1,000 (by default)
EMC uses same list of GCs and DCs used by services
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Exchange 2007 Management Model
Exchange Management Console ToolboxConfiguration Management Tools
- Exchange Best Practices Analyzer
- Details Templates Editor
- Public Folder Management Console
Disaster Recovery Tools- Database Recovery Management
- Database Troubleshooter
Mail Flow Tools
- Mail Flow Troubleshooter
- Message Tracking
- Queue Viewer- Routing Log Viewer
Performance Tools
- Performance Monitor
- Performance Troubleshooter
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Exchange 2007 Management Model
Exchange Management Shell
Powerful and flexible command-line interface
Built on PowerShell technology from Windows
Extends functionality of Exchange Management Console
Automation and bulk operations
Secure automation scripts (trusted scripts)
Object-oriented data handling
Pipelining
Access to CMD commands
Export to a .csv fileResults from tasks can be viewed in multiple formats
Robust test harness for service health, system health, and transportrules
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MSH> get-mailbox server smbex01
Verb NounName
ArgumentString
Command Parameter
Exchange 2007 Management Model
Shell Command-Line Structure
Property Names
Property Values
Name Alias Server StorageQuota
---- ---- ------ ------------
Bob Kelly bobk smbex01 unlimited
Kim Akers kima smbex01 unlimited
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Exchange 2007 Management Model
Exchange Management Shell
Getting help
- Get-help
- Get-help get-mailbox
- Get-help get-mailboxdetail- Get-help get-mailbox -full
- Get-excommand
- Get-command
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Exchange 2007 SP1Routing Topology & Mail Flow
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Routing Topology & Mail Flow
Edge / Hub Relationship
Perimeter
Intranet
Site A Site B
Site C
EdgeSyncover 50636
EDGE
ADAM
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Routing Topology & Mail Flow
What happened to routing groups?Active Directory sites replace routing groups
Site links replace routing group connectors
Hub servers in same site dont exchange messages
Hub servers send/receive messages between sites
Mailbox servers submit messages to any Hub servers in same site
All mail is routed through a Hub server
All mail routing is direct relay
Deterministic routing
Automatic configurationHubs automatically load-balance
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Routing Topology & Mail Flow
Mail FlowDirect Relay and Back-Off
- Exchange 2007 attempts to relay directly to destination site (unless a hub site
is defined)
- Exchange 2007 tries all Hub servers in destination site
- If direct connect fails, it queues to the closest point of failure
- Binary Back-Off
Delayed fan-out
- Bifurcate at the closest site to destination
- Reduces the amount of network traffic, through optimized fan-out process- Cannot be disabled
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Routing Topology & Mail FlowBest Route Between AD Sites
Sender Recipient
Americas HQ Europe HQ
New York
Los Angeles
Munich
Dublin
Mexico City
Asia Pacific HQ
Tokyo
Rio de Janeiro
Sydney
Cost: 100
Cost: 100
Cost:
100
Cost:100
Cost:1
00
Cost: 100
Cost:
100
Cost:100
Cost: 100
Cost: 100
Cost: 100
Direct ConnectBack-off Selection #1Back-off Selection #2Final Back off
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Routing Topology & Mail FlowBifurcation effect on routing (#1)
Sender Recipient
Americas HQ Europe HQ
New York
Los Angeles
Munich
Dublin
Mexico City
Asia Pacific HQ
Tokyo
Rio de Janeiro
Sydney
Cost: 100
Cost: 100
Cost:
100
Cost:100
Cost:1
00
Cost: 100
Cost:
100
Cost:100
Cost: 100
Cost: 100
Cost: 100
Recipient
Direct ConnectBifurcate
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Routing Topology & Mail FlowBifurcation effect on routing (#2)
Americas HQ Europe HQ
New York
Los Angeles
Munich
Dublin
Mexico City
Asia Pacific HQ
Tokyo
Rio de Janeiro
Sydney
Cost: 100
Cost: 100
Cost: 100
Cost: 100
Cost 300
Cost: 100
Cost: 100
Cost: 100
Cost: 100
Cost: 100
Cost: 100
Sender Recipient
Recipient
Direct Connect
Bifurcate
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Routing Topology & Mail FlowHub Sites
Sender Recipient
Recipient
Direct ConnectBifurcate
Direct Connect
Direct Connect
Direct Connect
Hub Site
Hub Site Hub Site
Americas HQ Europe HQ
New York
Los Angeles
Munich
Dublin
Mexico City
Asia Pacific HQ
Tokyo
Rio de Janeiro
Sydney
Cost: 100
Cost: 100
Cost: 100
Cost: 100
Cost 300
Cost: 100
Cost: 100
Cost: 100
Cost: 100
Cost: 100
Cost: 100
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Exchange 2007 SP1Transport Management
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Transport Management
New Features and EnhancementsResource Management / Back Pressure
X400 authoritative domains
Additional configuration options in EMC
- POP3/IMAP4 User Interface
New Tools
New events added to categorizer
Additional changes to edgetransport.exe.config
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Transport Management
Improvements on Hub Transport ServersPriority queuing
Active Directory site links can use MaxMessageSize
Routing Group connectors can also use MaxMessageSize
Send connector configuration can be scoped to single AD site
New controls added to the Hub server properties in EMC
- Configure message size restrictions, Message conversion options, Message
Tracking log, Connectivity log, Send and Receive connector log paths as well
as enabling and disabling Message tracking and Connectivity logging
AD RMS Pre-licensing agent
Network Load Balance support for coexisting CAS role protocols
Distribution Lists expansion events on message tracking logs
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Transport Management
Improvements on Edge Transport ServersEdgeSync Synchronization
- Run Start-EdgeSynchronization remotely
- Verify if a recipient was synchronized to Edge
- Support for safe domains defined by Outlook 2007 users
Cloned Configuration
- Includes Transport Config object
AntiSpam Agent logging
- Agent logging can be tuned on EdgeTransport.exe.config file
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Transport Management
Resource Management changes in SP1Back pressure limits for hard disk drive fixed to 500MB (4GB on RTM)
- 100*(hard disk drive size - 500) / hard disk drive size
New events for resource usage
- 15005 information when resource usage improves
- 15004 error when pressure increases
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Transport Management
Resource Pressure Increase
Event Type: ErrorEvent Source: MSExchangeTransportEvent Category: Resource ManagerEvent ID: 15004
Description: Resource pressure increased from Previous Utilization Level to Current Utilization LevelThe following resources are under pressure:Queue database logging disk space ("C:\Program Files\Microsoft\Exchange Server\TransportRoles
\data\Queue\") = 91% [Medium] [Normal=89% Medium=91% High=93%]The following components are disabled due to back pressure:Inbound mail submission from the InternetMail submission from Pickup directoryMail submission from Replay directoryThe following resources are in normal state:
Queue database and disk space ("C:\Program Files\Microsoft\Exchange Server\TransportRoles\data\Queue\mail.que") = 90% [Normal] [Normal=89% Medium=91% High=93%]
Version buckets = 0 [Normal] [Normal=80 Medium=120 High=200]Private bytes = 25% [Normal] [Normal=71% Medium=73% High=75%]Physical memory load = 82% [limit is 94% to start dehydrating messages.].
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Transport Management
Resource Pressure Decrease
Event Type: InformationEvent Source: MSExchangeTransportEvent Category: Resource ManagerEvent ID: 15005
Description: Resource pressure decreased from Previous Utilization Levelto Current UtilizationLevel.
No components disabled due to back pressure.The following resources are in normal state:Queue database and disk space ("C:\Program Files\Microsoft\Exchange Server\TransportRoles
\data\Queue\mail.que") = 85% [Normal] [Normal=89% Medium=91% High=93%]Queue database logging disk space ("C:\Program Files\Microsoft\Exchange Server
\TransportRoles\data\Queue\") = 86% [Normal] [Normal=89% Medium=91% High=93%]
Version buckets = 0 [Normal] [Normal=80 Medium=120 High=200]Private bytes = 23% [Normal] [Normal=71% Medium=73% High=75%]Physical memory load = 81% [limit is 94% to start dehydrating messages.]
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Transport Management
Routing Log Viewer
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Transport Management
Priority QueuingDisabled by default
If enabled, sender priority of message can influence the processing ofthe message by Exchange 2007 Hub server
Set on EdgeTransport.exe.config
-
Can be set to control specific user, with set-mailbox cmdlet
- DowngradeHighPriorityMessagesEnabled (default to False)
Configure size for high priority messages
- MaxHighPriorityMessageSize (default 250kb)
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Transport Management
Configure delay notification timeout based on message priority
Configure message expiration timeout based on message priority
Parameter name Default value
LowPriorityMessageExpirationTimeout 2.00:00:00 (2days)
NormalPriorityMessageExpirationTimeout 2.00:00:00 (2days)
HighPriorityMessageExpirationTimeout 8:00:00 (8 hours)
Message Priority Tuning
Parameter name Default value
LowPriorityDelayNotificationTimeout 8:00:00 (8 hours)
NormalPriorityDelayNotificationTimeout 4:00:00 (4 Hours)
HighPriorityDelayNotificationTimeout 00:30:00 (30 minutes)
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Transport Management
Configure maximum number of connections per domain based onmessage priority
Priority Queuing affects other message limits on Hub
Source Parameter Default value
Set-TransportServer DelayNotificationTimeOut 4:00:00 (4 hours)
EdgeTransport.exe.config NormalPriorityDelayNotificationTimeout 4:00:00 (4 Hours)
Set-TransportServer MessageExpirationTimeOut 2.00:00:00 (2 days)
Message Priority Tuning
Parameter name Default value
MaxPerDomainLowPriorityConnections 2
MaxPerDomainNormalPriorityConnections 15
MaxPerDomainHighPriorityConnections 3
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Exchange 2007 SP1Recipient Management
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Recipient Management
New Features and EnhancementsManage Send-As Permissions Wizard
Manage Full Mailbox Permission Wizard
Export List
Bulk mailbox management
Mailbox export/import to PST
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Recipient Management
Export ListExports list of Result Pane to
- Text (Tab Delimited) (*.txt)
- Text (Comma Delimited) (*.csv)
- Unicode Text (Tab Delimited) (*.txt)
- Unicode Text (Comma Delimited) (*.csv)
The content of result pane can be displayed in two ways:
- A list of rows (list view), such as the result pane of Server Configuration node
- The rows are saved with the columns one by one as the specified file type.
A tree structure (tree view), such as the work pane of the Mailbox subnode of Server Configuration node
- The content is saved in the same format as a list of rows, those columns that
are not valid for some rows (such as SG/DB) are just saved as empty values.
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Recipient Management
Mailbox TasksBulk mailbox creation for existing user accounts
Move Mailbox new options
- Global Catalog
- Domain Controller
- Ignore Rule Limit
- XML Logging
Drive:\Program Files\Microsoft\Exchange Server\Logging\Migration
- Validate Only and MaxThreads available on EMS
Events created with extended information
- Exchange Migration: 1006 - The move-mailbox task for mailbox X' started- Exchange Migration: 1007 - The move-mailbox task for mailbox X' finished
- Exchange Migration: 9354 Mailbox X is deleted from the Exchange store
Y on server Z
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Recipient Management
Mailbox TasksExport mailbox data directly to a .pst file
Import mailbox data from a .pst file
Export/Import requirements
- Run on 32bit machine with Exchange Server 2007 SP1 Management Tools
- Outlook 2003 or Outlook 2007 installed
- Exchange Organization Admin or Exchange Server Admin
- Supported platform for PST tasks
- Mounted database
Scenarios not supported- Recovery Storage Group
- Older versions of Exchange Server
- Public Folders
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Exchange 2007 SP1Public Folder Management
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Public Folder Management
Public Folder Management ConsolePublic Folder management from EMC (or EMS)
- Public Folder Referrals
- Public Folder Administrator Permissions
- Mail-enabled public folders included when reviewing address lists, email
address policies, and group memberships
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Public Folder Management
Public Folder Hierarchy selection
1. Ranking by the age of the public folder database
2. Proximity
1. Local server
2. Other server on the same active directory site
3. Other server on another active directory site
3. Cost
1. Active directory site costs
2. Routing group connectors costs
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Exchange 2007 SP1Outlook Web Access
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Outlook Web Access
New and Enhanced FeaturesAuto complete addresses
Fast search
Conversation view
Notifications
Calendaring ImprovementsAddress Book
Auto-updating of views
Address Book presentation
Availability Web Service
Calendar attendantOut-of-office attendant
Personal Distribution Lists
Server side rules
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Outlook Web Access
New and Enhanced FeaturesWebReady Document Viewing supports Office 2007 file formats
- Word, Excel and PowerPoint
Better OWA customization of user interface
Recover Deleted Items
Daily / Weekly / Monthly calendar views
Public Folders
Move & Copy commands to folders, messages, and public folders
S/MIME
OWA Options About page, helps support and now presents current
CAS Server used
OWA Options Mobile Devices self service page
Support for Unified Messaging
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Outlook Web Access
Personal Distribution ListsFlags
Categories
Empty membership possible
PDL Limitations
- Name maximum size 256 characters
- Members list (Display Name & SMTP Address) maximum 15Kb
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Outlook Web Access
Server Side RulesOptions Module
Same user experience as in Microsoft Outlook
Rules that cant be modified
- Client side rules
- Rules with deferred action appended by Microsoft Outlook
- Dark grey
- Cant be enabled or disabled inside OWA (only with Microsoft Outlook)
- Only delete or move up/down on priority
Support for segmentation- All rules user interface respect the segmentation setting
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Outlook Web Access
Monthly Calendar ViewOnly one month in the view, no scroll bar exists.
By default, the Month view will orient to show the full calendar month.
Monthly view with all details for specific day upon drill down
Depending on number of weeks, the days will show as many
appointments as possible
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Outlook Web Access
Public FoldersOnly available in OWA Premium
Access through the /owa virtual directory
Interaction with Exchange 2003
- CAS role separate
- /public and /owa need same SSL settings
- /public has not been renamed
- SSL disabled on home public folder server assigned to users mailbox
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Outlook Web Access
S/MIMEExchange 2003 S/MIME control wont work
Exchange 2007 S/MIME control installation
- HTML message format (plain text not possible anymore)
- Need rights to install software
- Once installed on machine, is available immediately for all users
- OWASMIME.MSI available on CAS Server
\Program Files\Microsoft\Exchange\Client Access\OWA\SMIME
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Outlook Web Access
Sending Digitally-signed Message
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Outlook Web Access
Reading Digitally-signed Message
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Outlook Web Access
Sending Encrypted Message
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Outlook Web Access
Reading Encrypted Message
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Outlook Web Access
Options Mobile Devices pageManage Active Sync Device from OWA 2007 SP1 (if enabled for user)
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Outlook Web Access
Support for Unified Messaging
Taking notes onvoice-mail
Special ViewIcons
Play on Phone
action from OWA UI
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Exchange 2007 SP1Mobile Access
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Mobile Access
New and Enhanced FeaturesFlags
Support for HTML email messages
Quick fetch
Forward/Reply/Reply All from appointments
See acceptance status of different attendeesImproved conflict resolution
Calendar logic on the server
Document Access
Mobile Mailbox Search
Out-of-officeIT Management
Outlook Web Access self-service
Performance Improvements
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Mobile Access
EAS Configuration with Default PoliciesExchange Server 2007 SP1 CAS server creates Default Exchange
ActiveSync Policy
- Applies for all users that are not using specific policy
- Can be customized
EAS Policies can also be applied by mailbox
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Mobile Access
Remote WipeAdministrator forces wipe through EMC or EMS
- Clear all user data from mobile device
- Very helpful if device is lost or stolen
- Useful when reassigning device to another user
- Deletes data on any storage card inserted on device
Originator of remote wipe request receives confirmation message
- If user request made using OWA, user will receive email confirmation
- If administrator originates the request, both administrator and user will receive
confirmation email
Remote Wipe Can be Canceled- Administrator can use Exchange Management Shell
Clear-ActiveSyncDeviceCancel$true -Identity WM_TestUser
- User can use OWA
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Mobile Access
Remote Wipe Self Service from OWA
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Exchange 2007 SP1Database Management
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Database Management
BackupsStreaming backups supported
- Stand-alone servers
- Single Copy Cluster nodes
- Active server node in Cluster Continuous Replication
VSS backups supported
- Stand-alone servers
- Single Copy Cluster nodes
- Active and Passive server nodes in Cluster Continuous Replication
Microsoft Data Protection Manager 2007 SP1 recommended- Ability to backup Standby Continuous Replication targets
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Database Management
Remote Streaming BackupsRemote streaming backups or restores are not supported on or fromWindows Server 2008
Disabled by default on Exchange Server 2007 SP1 deployed on WindowsServer 2003 SP2
- HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\MSExchangeIS\ParametersSystem\Enable Remote Streaming Backup
Enabling remote streaming backups is required
- Cluster continuous replication (CCR) environments that require remote
streaming backup for seed operations
- Third-party applications may require remote streaming backup functionality
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Database Management
Monitoring Online Database DefragmentationCommon questions
- When online defragmentation was last run?
- How long it took to complete online defragmentation?
- What online defragmentation did when it ran?
Extended information for Event 703 allows you to more easily monitoronline defragmentation pass completions
Two extended Extensible Storage Engine (ESE) performance countersfor monitoring the effectiveness and efficiency of online databasedefragmentation
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Database Management
Monitoring Online Database DefragmentationMonitoring Online Defragmentation with Event 703
Event Type:Information
Event Source:ESE
Event Category: Online DefragmentationEvent ID:703
Description:
MSExchangeIS (19052) SG05: Online defragmentation has completed the
resumed pass on database 'e:\MDB05\database5.edb', freeing 42794 pages.
This pass started on 6/16/2007 and ran for a total of 124919 seconds,
requiring 7 invocations over 4 days. Since the database was created it has
been fully defragmented 14 times over 73 days.
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Database Management
Monitoring Online Database DefragmentationExchange Server 2007 RTM
- MSExchange Database ==> Instances\Online Defrag Average Log Bytes
- MSExchange Database ==> Instances \Online Defrag Log Records/sec
- MSExchange Database ==> Instances \Online Defrag Pages Dirtied/sec
- MSExchange Database ==> Instances \Online Defrag Pages Preread/sec
- MSExchange Database ==> Instances \Online Defrag Pages Read/sec
- MSExchange Database ==> Instances \Online Defrag Pages Re-Dirtied/sec
- MSExchange Database ==> Instances \Online Defrag Pages Referenced/sec
New on Exchange Server 2007 SP1
- MSExchange Database ==> Instances \Online Defrag Pages Freed/SecThis counter shows the number of pages that are freed per second by online
defragmentation due to compaction.- MSExchange Database ==> Instances \Online Defrag Data Moves/Sec
This counter shows the number of times per second that data is moved from onepage to another by the online defragmentation process.
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Database Management
Monitoring Online Database DefragmentationHow to manage the online defragmentation window?
- Divide the average Online Defrag Pages Read by the average Online
Defrag Pages Freed
If the read-to-freed ratio is greater than 100:1, the online defragmentation
window can be reduced If the read-to-freed ratio is less than 50:1, the online defragmentation
window should be increased
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Database Management
Online Maintenance Database ScanningWhen enabled
- Check summing and page zeroing tasks are tied together
- Online maintenance window is split in two, half for database scanning, and otherhalf for online defragmentation
Database checksum task can be enabled with page zeroing or
independentlyThrottling interrupts database scanning for specified milliseconds betweenevery 320KB of I/O, which reduces performance issuesPermits page zeroing replication between databases on CCR or LCRIndependent of streaming backup (runs when page is fetched from disk)Disabled by default (set at server level)
- HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MSExchangeIS\ParametersSystem Online Maintenance Checksum Zero Database Pages During Checksum Throttle Checksum
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Database Management
Monitoring Online Maintenance Database ScanningESE Performance Counters
- MSExchangeDatabase\Online Maintenance (DB Scan) Pages Read/sec
- MSExchangeDatabase==>Instances\Online Maintenance (DB Scan) PagesRead/sec
- MSExchangeDatabase\Online Maintenance (DB Scan) Pages Zeroed/sec
- MSExchangeDatabase\Database==>Instances\ Online Maintenance (DB Scan)Pages Zeroed/sec
Events
- Event 717: Database check summing background task has started
- Event 718: Database page zeroing background task has started
- Event 721: Database check summing background task has completed
- Event 722: Database page zeroing background task has completed- Event 723: Database check summing background task encounters an error
- Event 724: Database page zeroing background task encounters an error
- Event 729: Database page zeroing has been paused
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Exchange Server 2007 SP1Clustering & Continuous Replication
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Clustering & Continuous Replication
ModelsClustering Models
- Single Copy Cluster (SCC)
- Cluster Continuous Replication (CCR)
Continuous Replication
- Local Continuous Replication (LCR)
- Cluster Continuous Replication (CCR)
- Standby Continuous Replication (SCR)
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Local Continuous Replication (LCR)
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Single Copy Cluster (SCC)
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Cluster Continuous Replication (CCR)
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Standby Continuous Replication (SCR)CCR
Standalone
SCC
StandaloneMailbox Server
Standby Cluster withPassive Mailbox Role
SCR
Sources
SCR
Targets
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New Features in Exchange Server 2007 SP1Support for features in Windows Server 2008
- Multiple subnet failover clusters
- DHCP IPv4
- IPv6
- Exchange and failover cluster network configuration
- New quorum models (disk and file share witness)
Continuous Replication (log shipping and seeding) over redundantcluster network in a CCR environment
Reporting and monitoring improvements
Performance improvements
Transport dumpster improvements
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Clustering & Continuous Replication
LCR & CCR Transport DumpsterTransport Dumpster enabled
- CCR & LCR
- Make sure that you have enough space on each Exchange Hub Transport server
to accommodate the data in the transport dumpster queue for each storage group.
Doesnt mitigate- Drafts folder for any Microsoft Outlook clients in online mode.
- Appointments, contact updates, property updates, tasks, and task updates
- Outgoing mail that is in transit from the client to the Hub Transport server. There is
a period of time during which the e-mail message only exists on the sender's
Mailbox server
Defaults to maximum of
- 18MB/SG/Hub server
- 7 days of retention
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Clustering & Continuous Replication
LCR & CCR Continuous Replication ManagementWizards to perform the following tasks
- Suspend Continuous Replication
- Resume Continuous Replication
- Update Continuous Replication
- Restore Continuous Replication
Associated PowerShell tasks
- Suspend-StorageGroupCopy
- Resume-StorageGroupCopy
- Update-StorageGroupCopy (in CCR only available from passive node)
- Restore-StoreGroupCopy (in CCR only available from active node)
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CCR Continuous Replication ManagementStatus displayed on EMC
- Three new optional columns
Copy Queue Length
Replay queue length
Last Inspected Log Time
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Clustering & Continuous Replication
CCR Continuous Replication ManagementCluster Continuous Replication page
- Copy Status Values
Not Supported
Disabled
Failed Seeding
Stopped
Suspended
Healthy
Initializing
Service Down
Resynchronizing
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Clustering & Continuous Replication
CCR Continuous Replication ManagementClustered Mailbox Server Details
- Failover Availability
Lossless
Must have all transactional logs to mount DB
Good availability Can loose 3 transactional logs to mount DB
Best availability (default)
Can loose 6 transactional logs to mount DB
SP1
Forced by code to ability to loose 10
transactional logs to mount DB
Associated PowerShell tasks- Set-MailboxServer -AutoDatabaseMountDial:
- Set-MailboxServer -ForceDatabaseMountAfter:
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Clustering & Continuous Replication
Manage Clustered Mailbox Server WizardMove, Start or Stop a Clustered Mailbox Server from EMC (or EMS)
Not supported
- Manage a clustered mailbox server running on Windows Server 2008 from a
computer running Windows XP or Windows Server 2003.
- Manage a clustered mailbox server running on Windows Server 2003 from acomputer running Windows Vista or Windows Server 2008.
IMPORTANT:
Windows Shutdown is not Exchange aware!
If you need to shutdown an active ClusteredMailbox Server, first stop or move it to a
passive node.
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Clustering & Continuous Replication
Standby Continuous ReplicationDesigned for scenarios that use or enable the use of standby recoveryservers
Enables a separation of high availability (comprised of service and dataavailability) and site resilience
Uses the same log shipping and replay technology used by LCR & CCRStandard and Enterprise Edition
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Standby Continuous ReplicationSources
- A standalone mailbox server (with or without LCR enabled)
- A clustered mailbox server in a single copy cluster
- A clustered mailbox server in a CCR environment
- Recovery storage groups cannot be enabled for SCR
- Storage group to be replicated must have single database
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Standby Continuous ReplicationTargets
- A stand-alone mailbox server role that does not have LCR enabled for any storage
group (can coexist with other server roles)
- A passive node in a failover cluster where the mailbox role is installed, but no
clustered mailbox server has been installed in the cluster- If using a standby cluster and the clustered mailbox server recovery feature (Setup
/RecoverCMS) as part of the SCR target activation process, the installation paths
for Exchange Server must be the same for SCR source and SCR target computers
- SCR source and target computers must be in same domain, but different AD sites
- Each target can have multiple source servers
- Standard Edition supports a maximum of 5 SCR targets
- Enterprise Edition supports a maximum of 50 SCR targets
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CCR
Logs
DB
MBX
SCC
LogsDB
MBX
LogsDB
PassiveNode
Q
SCR Sources SCR Targets
Clustering & Continuous Replication
SCR Sources and Targets - Deployment Options
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Comparing SCR with LCR and CCRSCR supports multiple replication targets per storage group. LCR andCCR support only one replication target per storage group (the passivecopy)
SCR includes a built-in delay for replay and log truncation activity. This
is useful, for example, in the event of logical corruption of an activedatabase, the delay can be used to prevent logical corruption of an SCRtarget database. LCR and CCR have no such delays.
SCR is completely managed using the Exchange Management Shell.The Exchange Management Console can be used to manage manyaspects of LCR and CCR (SP1)
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Clustering & Continuous Replication
SCR and BackupsSCR supports backups from the source copy only
LCR and CCR support backups from both the active and passive copy
Log truncation on the SCR source does not wait until all logs have beenreplayed into all SCR targets because SCR target copies can be
configured with large log replay delays (but it waits for log inspection)On an SCR target, a background thread runs every 3 minutes todetermine if any log files need to be truncated
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Clustering & Continuous Replication
SCR Log Replay & File TruncationReplayLagTime (24h)
- Time to Microsoft Exchange Replication service waits before replaying log
files that have been copied to the SCR target
TruncationLagTime
- Time to Microsoft Exchange Replication service waits before truncating logfiles that have been copied to the SCR target computer and replayed into the
copy of the database. The time period begins after the log has been
successfully replayed into the copy of the database.
Maximum of ("value of ReplayLagTime" or 50 log files")
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Clustering & Continuous Replication
SCR Log Replay & File TruncationIf the following two criteria are met, a log file will be truncated:
- Log generation sequence is below log checkpoint for the storage group
- Log file is older than ReplayLagTime+ TruncationLagTime
In an LCR or CCR environment that is extended with SCR, if the
following four criteria are met, a log file will be truncated on the activeand passive copies in the LCR/CCR environment:
- Log has been backed up
- Log generation sequence is below log checkpoint for the storage group
- Passive copy of storage group is in a state that allows log to be truncated
- All SCR targets have inspected the log file
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2009 Microsoft Corporation. All rights reserved. Microsoft , Windows, Windows Vista and other product names are or may be registered trademar ks and/or trademarks in the U.S. and/or other countries.The information herein is for informat ional purposes only and represents the current view of Microsoft Corporation as of the date of this presentation Because Mic rosoft must respond to changing market