Public folder replication is blocked unexpected in an Exchange Server 2007 environment

Symptoms

In a Microsoft Exchange Server 2007 environment, public folder replication is blocked unexpectedly. Additionally, the Messages Queued for Submission performance counter of MSExchangeIS Public in Performance Monitor stays high.  

Cause

This problem occurs because public folder replication has a maximum limit of named property it can process. However, there are public folder replication messages that include too many name properties. Therefore exceeds the limit.

Resolution

To resolve this problem, install the following update rollup:
2279665 Description of Update Rollup 1 for Exchange Server 2007 Service Pack 3

Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

More Information

For more information about public folder replication, visit the following Microsoft website:
General information about public folder replication
For more information about Named Property, visit the following Microsoft website:
General information about Named Property