Do not manually reboot 100 computers. Instead, after pushing the new seed installer to your workstation group:
If you use KMS licensing for Windows, ensure you schedule regular "Thawed" periods. Otherwise, the Windows activation itself may fail because Deep Freeze might prevent the periodic re-validation required by KMS. Perspectives on Deep Freeze deep freeze pending activation new
: A critical risk of remaining unactivated (or not connecting to the server for 30 days) is that the workstation may automatically boot into a Thawed state . This leaves the machine vulnerable as changes will no longer be discarded on reboot. How to Resolve "Pending Activation" Do not manually reboot 100 computers
: The workstation cannot reach the Faronics License Activation Server due to internet or firewall restrictions. Perspectives on Deep Freeze : A critical risk
state and will remain "Thawed" until the license is validated. Spiceworks Community Are you managing these workstations through an Enterprise Console or are you dealing with a standalone installation