Opdatering af GC til version 7577.4102

Lync 2010 Group Chat Hotfix KB 2701665

Download:
http://www.microsoft.com/en-us/download/details.aspx?id=11804

TechNet:
http://support.microsoft.com/kb/2701665

Lync 2010 Group Chat Admin Tool Hotfix KB 2672318

Download:
http://www.microsoft.com/en-us/download/details.aspx?id=22675

TechNet:
http://support.microsoft.com/kb/2707265