Response Group Service cannot start if you assign a certificate that has a wildcard in the Subject Name to Communications Server 2007 R2

If the certificate that is assigned to the Microsoft Office Communications Server 2007 R2 server or to the Communications Server 2007 R2 Web Components server contains a wildcard in the subject name, the Response Group Service cannot start.

To resolve this problem, apply the following updates:

• 967830  (http://support.microsoft.com/kb/967830/ ) Description of the update package for Communications Server 2007 R2, Web Components: April 2009
• 967829  (http://support.microsoft.com/kb/967829/ ) Description of the update package for Communications Server 2007 R2, Response Group Service: April 2009
• 968280  (http://support.microsoft.com/kb/968280/ ) Description of the update package for Communications Server 2007 R2, Administration Tools: April 2009

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