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Migration from Exchange 2003 to 2010.  FFL IS set at 2003.  Error at Setup ... Forrest NOT set at 2003 .

Posted on 2014-09-05
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Last Modified: 2014-09-05
Hi Guys,

Got a weird problem.  

Migrating from Exchange 2003 to Exchange 2010 to achieve a co-exisiting situation on the domain.  However, I am hitting a bit of a problem.  My Domains and Trusts prog. states my Forrest Functional Level is 2003 -  I have a minimum spec of Ent. Servers of 2003 SP2 on the domain.  However, when I run :  setup /PrepareLegacyExchangePermissions on the new proposed EXCH 2010 server ... I get an error stating that the Forrest Functional Level needs to be at 2003  ... which it is.   Anyone came across this before.

Any comments would be appreciated.

IM
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Question by:ianmclachlan
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Expert Comment

by:Neil Russell
ID: 40305611
Are you sure you have raised BOTH Domain level AND Forest level to 2003?
Use the following to check.

http://www.techgalaxy.net/Docs/Win2003/Verifying_functional_levels_by_using_ADSIEdit.htm
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Author Comment

by:ianmclachlan
ID: 40305614
Hi,

Yes, Both Domain and Forrest are indicating "Windows Server 2003".

IM
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Accepted Solution

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Neil Russell earned 500 total points
ID: 40305620
Checked with ADSIEdit yes? only Sometimes it can show in error in AD
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Author Comment

by:ianmclachlan
ID: 40305666
Hi,

Thanks for your email.

Ran ADSIedit

Domain was set properly at 2.  However, the Forrest was set at 0.  Have changed to 2 and ran the setup /prep.  again.

Working fine now.  Obvious blip when the Forrest was originally changed.

Thanks

IM
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Author Closing Comment

by:ianmclachlan
ID: 40305669
Excellent pointer to obtain answer
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Expert Comment

by:Neil Russell
ID: 40305771
Glad to have been of help.
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