Summary

Windows Updates from June 8, 2010 update components in Windows Communication Foundation that may affect communication with the Workflow Server service. If you have recently installed June 2010 Windows updates and client applications can no longer connect to the Workflow Server service, please see if you have the following Windows Updates installed:

982168 Description of the rollup update for the .NET Framework 3.5 Service Pack 1 on Windows XP and on Windows Server 2003 (976765, 980773 and 976769): June 8, 2010

976769 Description of the WCF update for the .NET Framework 3.5 Service Pack 1 on Windows XP and on Windows Server 2003: June 8, 2010

982536 Description of the rollup update for the.NET Framework 3.5 Service Pack 1 on Windows Vista Service Pack 2 and on Windows Server 2008 Service Pack 2 (976768, 980842, and 976772): June 8, 2010.

976772 Description of the WCF update for the .NET Framework 3.5 Service Pack 1 on Windows Vista Service Pack 2 and on Windows Server 2008 Service Pack 2: June 8, 2010.

Workaround

Uninstall updates 976769 and 982168 or 982536 and 976772.