Exchange 2010 Public Folder Mount Error

I recently migrated from Exchange 2003 to 201 and am getting the following errors in the event log:

Active Manager failed to mount database Public Folder Database on server. Error: An Active Manager operation failed with a transient error. Please retry the operation. Error: Database action failed with transient error. Error: A transient error occurred during a database operation. Error: MapiExceptionADPropertyError: Unable to mount database. (hr=0x80004005, ec=2418)

I followed the instructions in this article ( until I ran in to a snag at the bottom. I do not see the msExchOwningPFTree attribute even after resetting the filter.
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vicosoConnect With a Mentor Commented:
Do you  have the "Folder Hierarchy" Container in the ADSIEDIT under the Administrative Group?
(Path: CN=Configuration,CN=Services,CN=Microsoft Exchange,CN=OrganizationName,CN=Administrative Groups,CN=Exchange Administrative Group,CN=Folder Hierarchy)
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