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Free/Busy InterOrg Utility - Can't get to update info from exchange 2003 to 2010

I am migrating from Windows 2003/Exchange 2003 to a new forest Windows 2003/Exchange 2010. A 2 way trust exist between the forests. Using the lates InterOrg tool, I can replicate the free/busy from Exchange 2010 to Exchange 2003 but not the other way. I get errors:
ERROR: Unable to get collector for folder 'EX:/o=cos/ou=Exchange Administrative Group (FYDIBOHF23SPDLT)' on server [Echange2010].
ERROR: ICS Synchronizer returned error, failed [80004005].

When I run get-publicfolder replicas, this is what I have (I can see free/busy between users in Exchange 2003 and Exchange 2010, and Exchange 2010 and Exchange 2010, but now Exchange 2010 and Exchange 2003):
Name : SCHEDULE+ FREE BUSY
LocalReplicaAgeLimit :
Replicas : {}
ReplicationSchedule : {}
UseDatabaseReplicationSchedule : True

Name : EX:/o=cos/ou=Exchange Administrative Group (FYDIBOHF23SPDLT)
LocalReplicaAgeLimit :
Replicas : {Public Folder Database 1219908840}
ReplicationSchedule : {}
UseDatabaseReplicationSchedule : True

Satya Pathak

please go through.

https://www.experts-exchange.com/questions/24800697/Free-Busy-and-Exchange-2007-CAS-server.html

cwojcicki1099

ASKER

This is a great link that contains a great write-up by SatyaPathak, but it's only helpful for migrating within the same organization. I'm migrating from an old forest/domain to a new forest/domain. Users in Exchange 2003 can see free/busy for users in Exchange 2010 forest. Users wihin the same Exchange 2010 forest can see their free/busy. But users in Exchange 2010 cannot see free/busy for users in the Exchange 2003 forest. The InterOrg tool fails to replicate free/busy from 2003 to 2010 with the above error.

LHI-1

have you found a solution to this problem, as we are also facing the same problem ????

ASKER CERTIFIED SOLUTION

cwojcicki1099

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