2021-08-12 19:41 AEST by CVS Support - customer reports that they have a domain login which is a member of the local machine administrators group.

this user cannot use the 'admin' verb.

"cvs.exe" -Q -x admin "-m1.5:Added output of version and traceability metadata in the output file header." 
valid_ranges.m
CVSROOT=:sspi:localhost:/MATLAB

cvs [server aborted]: usage is restricted to repository administrators

Error, CVS operation failed (exit code 1)



a domain user must be a member of the domain level 'administrators' group and a local user must be a 
member of the local 'administrators' group for this to work.  This is not documented and it is not obvious.