You've configured the client settings for your Dagent to use the Discover Ghost Solution Suite Server using TCP/IP multicast and the Dagent is not connecting to your Ghost Solution Suite Server.
If you enable Dagent logging on the client machine you'll see the following error in the log.
bootstrap.cpp:677 unhandled exception thrown from startup code
bootstrap.cpp:969 - Unknown Error discovering IP address of DS.
Socket binding was done at local interface level
Ghost Solution Suite 3.1, 3.2, and all maintenance packs and release updates
This issue has been fixed with the release of Ghost Solution Suite 3.2 RU7. Please download this update and allow the Dagent to upgrade. Once they are upgraded the multicast feature will work.