troubleshooting Question

UPN Issues when running ADPrep for Exchange 2010 upgrade to 2013

Avatar of L-Plate
L-Plate asked on
ExchangeActive Directory
4 Comments1 Solution504 ViewsLast Modified:
UPN Issue when running AD Prep as per MS guidelines in readiness for upgrade to Exchange 2013

I get the following error when running  this syntax : setup.exe /PrepareAD ?IAcceptExchangeServerLicenseTerms

Organization Preparation                                  FAILED
     The following error was generated when "$error.Clear();
          $arbMbxname = [Microsoft.Exchange.Management.RecipientTasks.EnableMail
box]::DiscoveryMailboxUniqueName;
          $arbMbxLastName = "MsExchDiscoveryMailbox XXXXXXXX-XXXX-XXXX-XXXX-XXXX
XXXXXXX";
          $arbUser = @(Get-User -Filter {LastName -eq $arbMbxLastName} -IgnoreDe
faultScope -ResultSize 1);

          if ($arbUser.Length -eq 0)
          {
            Install-UserAccount -Name $arbMbxname -LastName $arbMbxLastName;
          }
        " was run: "An Active Directory Constraint Violation error occurred on <FQDN>. Additional information: The operation failed becaus
e UPN value provided for addition/modification is not unique forest-wide.
Active directory response: 000021C8: AtrErr: DSID-03200BF6, #1:
        0: 000021C8: DSID-03200BF6, problem 1005 (CONSTRAINT_ATT_TYPE), data 0,
Att 90290 (userPrincipalName)
".
ASKER CERTIFIED SOLUTION
Shreedhar Ette
Technical Manager

Our community of experts have been thoroughly vetted for their expertise and industry experience.

Top Expert 2010

The Distinguished Expert awards are presented to the top veteran and rookie experts to earn the most points in the top 50 topics.

Join our community to see this answer!
Unlock 1 Answer and 4 Comments.
Start Free Trial
Learn from the best

Network and collaborate with thousands of CTOs, CISOs, and IT Pros rooting for you and your success.

Andrew Hancock - VMware vExpert
See if this solution works for you by signing up for a 7 day free trial.
Unlock 1 Answer and 4 Comments.
Try for 7 days

”The time we save is the biggest benefit of E-E to our team. What could take multiple guys 2 hours or more each to find is accessed in around 15 minutes on Experts Exchange.

-Mike Kapnisakis, Warner Bros