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Upgraded Domain Controller - Now EMC Throws Errors

All,

I took one of my DC's offline over the weekend to format & load it with Server 2008 R2, so prior to turning it off, I transferred all services to my other DC, did a DCPROMO and removed it as a domain controller.

Everything went fine, with the exception that I changed the domain controller name in Server 2008.  It is still an AD server for the same domain in AD, just a different computer name.

I am currently working on an Exchange 2003 to Exchange 2010 migration, so when I logged into EMC this morning, I was presented with a "Cannot connect to Active Directory Server <OldServername>" ...

I opened Exchange Management Shell and typed "Get-ADServerSettings | fl" and none of the settings are pointing to the old DC?

HALP!

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Auric1983
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Auric1983
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1 Solution
 
Adam BrownSr Solutions ArchitectCommented:
In renaming the DC, did you follow all the steps shown in this article? http://www.petri.co.il/rename-windows-server-2008-domain-controllers.htm
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Auric1983Author Commented:
No. I did not just "rename" the DC, what I did did a full format & fresh install of Server 2008 R2 on it (It was running 2003 previously)

I changed the name on the machine BEFORE I rejoined it to the domain and promoted it as a DC

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Adam BrownSr Solutions ArchitectCommented:
Ah. You may need to clear some Meta Deta, then. Doing the Demote should have taken care of it, but go check through this and see if you have anything still hanging out. (Sounds like you do) http://www.petri.co.il/delete_failed_dcs_from_ad.htm
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