Connectivity and Registration Issues Between XenDesktop VDA and DDC

Environment: XenDesktop 7.12 Vmware 5.5 Build 4180647 Windows Server 2008 R2 Enterprise Anti Virus: Trend Micro Deep Security (Agentless) Problem: VDA is failing to register with any of the DDCs. It is retrieving the correct list of DDCs, go through them and try to register, but fails with the same error everytime. “The Citrix Desktop … More Connectivity and Registration Issues Between XenDesktop VDA and DDC