Is replication broken?

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    mhashemi
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    #156633

    I’ve got two Server 2008r2 DCs in one site and one another site. I’m trying to install Exchange 2010 and running into some issues. At the moment, I’m troubleshooting what appears to be a Schema problem.

    I ran “setup /PrepareSchema”, while logged in as our highest-rights account. The process reported that it completed and there are no errors in the Exchange setup log. However, when I browse the ADSI Edit to cn=OrganizationName,cn=microsoft exchange,cn=services,cn=configuration,dc=servicemagic,dc=com and select properties -> objectVersion, I see 6903 which is Exchange 2003 SP2.

    Next, I opened the AD Schema MMC plug-in and right-clicked on Active Directory Schema -> Change Active Directory Domain Controller. I see all three DCs, but the one that holds all the FSMO roles lists “Unavailble” as its status. That’s odd because I have an RDP session to, and ran the schema update from, that DC.

    Finally, I ran repadmin /showrepl and got back something that looks like this:

    Quote:
    Repadmin: running command /showrepl against full DC localhost

    site1dc1

    DSA Options: IS_GC

    Site Options: (none)

    DSA object GUID: bc5f3a5d-9509-4dd5-97f3-cea86f0134cb

    DSA invocationID: b102a18d-87f1-4d3d-be53-f5a65b3e8c16

    ==== INBOUND NEIGHBORS ======================================

    DC=company,DC=com

    site1dc2 via RPC

    DSA object GUID: 08f46052-afd0-4843-920b-90fd210fd4ac

    Last attempt @ 2011-10-28 12:48:30 was successful.

    site2dc3 via RPC

    DSA object GUID: 49e473eb-2509-4acb-b22d-377c152d5e3b

    Last attempt @ 2011-10-28 13:03:29 was delayed for a normal reason, result 8418 (0x20e2):

    The replication operation failed because of a schema mismatch between the servers involved.

    Last success @ 2011-10-28 12:48:30.

    CN=Configuration,DC=company,DC=com

    site1dc2 via RPC

    DSA object GUID: 08f46052-afd0-4843-920b-90fd210fd4ac

    Last attempt @ 2011-10-28 12:48:30 was successful.

    site2dc3 via RPC

    DSA object GUID: 49e473eb-2509-4acb-b22d-377c152d5e3b

    Last attempt @ 2011-10-28 13:03:29 was delayed for a normal reason, result 8418 (0x20e2):

    The replication operation failed because of a schema mismatch between the servers involved.

    Last success @ 2011-10-28 12:48:30.

    CN=Schema,CN=Configuration,DC=company,DC=com

    site1dc2 via RPC

    DSA object GUID: 08f46052-afd0-4843-920b-90fd210fd4ac

    Last attempt @ 2011-10-28 12:52:14 was successful.

    site2dc3 via RPC

    DSA object GUID: 49e473eb-2509-4acb-b22d-377c152d5e3b

    Last attempt @ 2011-10-28 13:03:29 was successful.

    DC=ForestDnsZones,DC=company,DC=com

    site1dc2 via RPC

    DSA object GUID: 08f46052-afd0-4843-920b-90fd210fd4ac

    Last attempt @ 2011-10-28 12:48:30 was successful.

    site2dc3 via RPC

    DSA object GUID: 49e473eb-2509-4acb-b22d-377c152d5e3b

    Last attempt @ 2011-10-28 13:03:29 was delayed for a normal reason, result 8418 (0x20e2):

    The replication operation failed because of a schema mismatch between the servers involved.

    Last success @ 2011-10-28 12:48:30.

    DC=DomainDnsZones,DC=company,DC=com

    site1dc2 via RPC

    DSA object GUID: 08f46052-afd0-4843-920b-90fd210fd4ac

    Last attempt @ 2011-10-28 12:53:31 was successful.

    site2dc3 via RPC

    DSA object GUID: 49e473eb-2509-4acb-b22d-377c152d5e3b

    Last attempt @ 2011-10-28 13:03:29 was delayed for a normal reason, result 8418 (0x20e2):

    The replication operation failed because of a schema mismatch between the servers involved.

    Last success @ 2011-10-28 12:48:30.

    Looking through the event log, I don’t see any replication-related events under Application, System, DFS Replication, Directory Service, or File Replication Service.

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