We have a Citrix XenApp 5 Server running on Server 2008 in a Small Business Server 2008 domain. When I initially configured the server and installed XenApp, I did not realize that the server had been placed in the SBSComputers OU in Active Directory. Now that it is fully in production I want to move it into it's own OU so I can tweak the GP's. However, every time I move the XenApp server out of the OU and do a gpupdate, it causes multiple different issues dealing with connectivity to applications and authentication/logging in. If I move the server back into the SBSComputers OU and perform a gpupdate, all is well again.
I am certain it is GP related, but SBS 2008 has so many GP's applied to it I can't find the one that is causing issues. I have tried enabling loopback processing but this doesn't fix it.