After installation of the SafeGuard Enterprise Client (including the Device Encryption module), the system boots up and displays "Disk Encryption Subsystem missing" for a few seconds, it continues to boot into the Operating System.
Known to apply to the following Sophos product(s) and version(s)
SafeGuard Device Encryption 5.35
All supported versions.
What To Do
The described behavior may be seen on machines where the system drive (commonly C:\) has a total size bigger than 250GB. In order to resolve this issue, please change the partition size to a maximum size of 250GB.
This issue has been solved as of SafeGuard Enterprise 188.8.131.52.