Entering the commands net groupmap modify ntgroup="Domain Admins" unixgroup=ntadmins rid=512 net groupmap modify ntgroup="Domain Users" unixgroup=users rid=513 net groupmap modify ntgroup="Domain Guests" unixgroup=nobody rid=514 lead do an error: "Bad option: rid=512" (as well for 513 and 514). What shall be entered instead?
This has been fixed by Richard Sharpe.
sorry for the same, cleaning up the database to prevent unecessary reopens of bugs.