Windows Server 2008

Unrecognized Exchange signature 12639 in Exchange 2010 BPA

I ran the Exchange 2010 Best Practice Analyzer in my test lab today to see if it picked up any problems. It picked up only 1 critical problem which was the following error:

Unrecognized Exchange Signature: Active Directory domain ‘TESTLAB’ has an unrecognized Exchange signature. Current DomainPrep version: 12639

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Hmmmmmmm ok. So i went off to MSDN to check that my domainprep version was valid, and indeed it was. I am running at 2008 R2 Domain Functional Level.

As it turns out this is a bug in the Exchange 2010 Best Practice Analyzer. It will be resolved when Exchange 2010 SP1 will be released later in the year.

6 Comments on “Unrecognized Exchange signature 12639 in Exchange 2010 BPA

  1. Saved me! first response i opened. i have deployed Exchange 2010 on Svr2K8 SP2 but not on R2 and this just got me cross faced.

    ANyway, thanks!

  2. Saved me! first response i opened. i have deployed Exchange 2010 on Svr2K8 SP2 but not on R2 and this just got me cross faced.

    ANyway, thanks!

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