Symptoms
You create a new public folder database on a Microsoft Exchange Server 2010 Service Pack 1 (SP1) server. However, the hierarchy is not replicated from other public stores to this new database. Additionally, the following events are logged in the Application log:
Note The events are logged every time when the server tries to backfill the hierarchy.
Cause
This issue occurs because ReplidMap in the public folder database contains a zero GUID.
Resolution
To resolve this issue, install the following update rollup:
2579150 Description of Update Rollup 4 for Exchange Server 2010 Service Pack 1
After you apply this update on all the computers that have public folder databases, follow these steps:
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Unmount all public folder databases in the organization.
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Run the following command on all the computers that have public folder databases in the organization:
isinteg -s <server> -test replidguid -fix -
Mount all public folder databases.
Notes
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The command must be run simultaneously on all the computers that have public folder databases in the organization.
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Do not follow these steps if there are any public folder servers that are not running Update Rollup 4 for Exchange Server 2010 SP1, such as Exchange Server 2003, Exchange Server 2007, or earlier versions of Exchange Server 2010.
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If you try to run the command on only a subset of computers that have public folder databases in the organization, public folder replication issues occur. Additionally, the issues cannot be resolved.
Status
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
