SharePoint 2007 to SharePoint 2010 Upgrade Decision

Can your MOSS infrastructure be upgraded to SharePoint 2010 (64-bit,

Windows Server 2008, SQL Server 2005 with relevant SPs and CUs)?

DB Attach Upgrade with AAM Redirection for large content database upgrades

In-place Upgrade or Hybrid with DB detachment option during binary upgrade, depending on whether

option 4 or 5 was chosen.Is there budget to purchase new hardware that can support

2010?

Unable to Upgrade at present, reconsider budget or downtime mitigation method

No

No

Is the time taken to perform an in-place upgrade greater than the

acceptable downtime period for your clients (use test results)?

Yes

YesAre you satisfied that there is an effective roll-back method in place (backups, VM

snapshots)?

No

No

Does your environment have significant custom code or other customisations that will not run

in SharePoint 2010?

Yes

No

Can the business justify the cost of rewriting problematic MOSS

customisations for 2010?

Yes

No Yes

Can the business justify the administrative cost required to gradually upgrade Web applications via the DB attach method?

Yes

No

Can the business justify the cost of rewriting all MOSS customisations for

2010?Yes

No

Yes

Is your SharePoint farm mission-critical, such that any chance of

downtime would be unacceptable?

Yes

No

Is the time taken to perform an in-place hybrid upgrade greater than the

acceptable downtime period for your

clients (use test results)?

Yes

No

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2

3

4

5

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8

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Originally created by Benjamin Athawes @benjaminathawes, idea from Joel Oleson @joeloleson