Fast user switching is greyed out I am an administrator to my MBP, and should be able to turn on fast user switching to let more than one user stay logged in at the same time, right? But this is what I get:

What I'm missing?
$ sw_vers
ProductName:    Mac OS X
ProductVersion: 10.15.7
BuildVersion:   19H512
It looks like your MacBook Pro is registered to a organization and managed via a MDM Server. Thus you are not allowed to make adjustments to system preferences. Get in touch with your System Administrator.