Citrix Provisioning Services - Target Device(s) Hang After 96 Hours With No PVS License

After a license server upgrade to support PVS 1912 LTSR from 7.15 LTSR Target Devices may immediately report entering "grace period". After 96 hours of uptime the Target Device may appear to freeze. Target Device hangs or freezes are typically first found in the Studio console by a CVAD...