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Exchange 2010 Error after Domain Change

Posted on 2011-03-19
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Last Modified: 2012-05-11
I recently changed our domain name.  I manually changed the DNS and now on Exchange 2010 on Server 2008 Standard is giving me an error.  The error is when I attempt to do anything in the console... Federation Trust... Organization Relationship... Anything.  Even when I try to access our domain /owa/, it gives me an error and says:
	Outlook Web App didn't initialize. If the problem continues, please contact your helpdesk.
Cannot find information about the local server XXX.XXXXXXXXX.org in Active Directory. This may be related to a change in the server name. 

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How can I properly fix the console and OWA with the new domain.  The server name DID NOT change, only the domain name.
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Question by:cmb991
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by:Akhater
ID: 35171463
What do you mean you changed your domain ? What exactly did you do?
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by:cmb991
ID: 35171469
My AD Domain Name.  Pretty much, I made a new AD Domain and removed the old one without demoting the domain controller using these directions, http://www.shariqsheikh.com/blog/index.php/200804/how-to-rename-a-windows-server-2008-domain/ .  I did everything but the netbios update because I didn't change the domain controllers name.
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by:cmb991
ID: 35171471
Ever since I did that, exchange is trying to connect to my old domain... DC1.OLDDOMAIN.COM instead of DC1.NEWDOMAIN.ORG
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by:Akhater
ID: 35171477
You cant change the domain of an exchange server it is not supported i am afraid you broke your server.
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by:cmb991
ID: 35171514
Broke?  I could just uninstall the exchange portion and reinstall it...  Won't that clear it?
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by:cmb991
ID: 35171522
I just installed the exchange portion the other day and it hasn't been used yet.  I was trying to change the domain prior to deploying it.  Guess I'll just have to do an uninstall and reinstall to see if that does it.
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by:Akhater
ID: 35171536
Exchange s on another server? If so format it and start over
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by:cmb991
ID: 35171542
Exchange 2010 is installed on the Domain Controller (Single Server Environment)
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by:Akhater
ID: 35171557
If it is a new setup format and start over again cleanly
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by:cmb991
ID: 35171572
I can't format because its installed on the Domain Controller like I said.  
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by:Akhater
ID: 35171580
Format And start over with your whole setup, you wint be able to uninstall it will give you errors
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by:cmb991
ID: 35171584
Whenever I open up the Exchange Management Console, it says 'Unable to find 'DC1.OLDDOMAIN.COM' computer information in the domain controller 'DC1.OLDDOMAIN.COM' to perform suitability check.  Verify the fully qualified domain name.  It was running the command 'Get-OrganizationConfig'.

That error is whats showing it is pointing to the old domain controller, not the new one, DC1.NEWDOMAIN.ORG.  
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by:cmb991
ID: 35171586
Theres no way I will format the domain controller in this environment.  Theres to much data for me to be able to do that.  I'll find a solution.
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Akhater earned 500 total points
ID: 35171597
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by:cmb991
ID: 35172301
So I followed those directions (http://msgsense.com/2011/01/18/manually-uninstall-last-exchange-2010-server-from-organization/) to remove it manually and it was successful.  Now, when I go to reinstall it, it keeps failing at the Language Files with the error "Unable to remove product with code dedffb64-42ec-4e26-0401-430e86df378c.  Fatal error during installation.  Error code is 1603.  Last error reported by the MSI package is 'Could not open key: UNKNOWN\Components\E8801C2D248F4094FB915079D7FC0B09\46BFFDEDCE2462E4401034E068FD73C8.  Verify that you have sufficient access to that key, or contact your support personnel.  '. It was running the command 'Uninstall-MsiPackage -LogFile 'C:\ExchangeSetupLogs\Uninstall.ar.Client.20110319-130923.msilog' -ProductCode 'dedffb64-42ec-4e26-0401-430e86df378c".  

Any ideas?
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by:cmb991
ID: 35172925
Worked great!!  After modifying a few registry keys to the new administrator domain account, the install went smooth!!  Thanks!
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