efsui.exe is a system-level binary. Manually calling it with internal flags like installdra without a proper security context (SYSTEM or Administrator) will typically result in a silent failure or a permissions error.

rsop.msc

If you encountered this term in a log, script, or running process:

The phrase likely refers to , removing all others. This would be done in high-security environments to ensure only one trusted entity can recover encrypted files.