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MSExchange ADAccess - Event 2080 Issues

Last Modified: 2012-05-11

I've been struggling with an ongoing issue, in which I have a decommissioned Exchange 2003 install on what was the PDC for an organization.  I installed and configured Server 2008 R2, and followed the steps for adding Exchange and promoting it to become the new PDC.  I then removed Exchange 2003, and mail flow has been fully functional for nearly a year.

However, when the Windows 2003 server is offline or slow to restart, both login attempts across the domain and directed to Exchange 2010 fail.  I have noted that within ESM on the Hub Transport role the previous server is the only item shown within 'Domain controller servers being used by Exchange' and 'Global catalog servers'.  After digging into the Application log, I have the below report from Event 2080:

Process STORE.EXE (PID=6428). Exchange Active Directory Provider has discovered the following servers with the following characteristics:
 (Server name | Roles | Enabled | Reachability | Synchronized | GC capable | PDC | SACL right | Critical Data | Netlogon | OS Version)
OldWin2K3.XXX.int      CDG 1 7 7 1 0 1 1 7 1
Win2K8.XXX.int      CDG 1 0 0 1 0 0 0 0 0

I can obviously see that the system is not operating correctly, however I'm at a loss as to proving the roles are migrated and that the new server is really capable of fielding these requests.  Additionally, when I have gone to migrate the formal GC away from the old server, the systems do not function even after appropriate replication has taken place (many hours and restarts later).  Moving GC back restores services.

A DCDiag report shows all tests having passed, with the exception of:

Win2K8.XXX.int ..... failed test NCSecDesc

   Replicating Directory Changes In Filtered Set
access rights for the naming context:
   Replicating Directory Changes In Filtered Set
access rights for the naming context:

However this is only related to RODC, correct?

Let’s get cracking.  Thanks!
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