I don't know if I am at the right forum. A client of mine has ZCM 11. Workstations are Windows 7 SP1 64 Bit. Al the devices get in the devices list. The client created a workstation group WorkstationGroupA (for example). The client moves some workstations to this group. If the computer reboots and they login the workstation disappears from the group. What could be the problem?