The group name could not be found.
You specified an unknown group name.
Check the spelling of the group name. To display a list of the groups in the security database, type NET GROUP if you are running Windows 2000 Server. If you are running Windows 2000, type NET GROUP /domain. Your Windows 2000 workstation must be a member of a domain that is running Windows 2000 Server. Otherwise, you will see a message that tells you that NET GROUP is a Windows 2000 Server command only.