Error message when you try to make a connection in an Office Communications Server 2007 R2 Group Chat client for the first time: "The domain_name domain is not available"

This article applies to the following product:

• Microsoft Office Communications Server 2007 R2 Group Chat client

You use Group Policy to set the connection information for a Microsoft Office Communications Server 2007 R2 Group Chat client. Then, when you try to make the connection in the Group Chat client for the first time, the connection fails. Additionally, you receive the following error message:After you exit the Group Chat client and then restart it, the connection succeeds.

This problem occurs because the Group Chat client ignores the value of the following registry key when you run the client for the first time:After you restart the client, the value of this registry key is saved to the local preferences, and the Group Chat client then uses the value from that location correctly. Therefore, later connection attempts succeed.

To resolve this problem, apply the following update:

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