1. Each computer must have a unique name.2. Workgroup and computer names can be up to 15 characters long.
3. Workgroup and computer names may not contain blank spaces.
4. If the network has a server, Domain Controller, such as Windows NT Server or Windows 2000 Server, than the workgroup name must be identical to the domain that the computer logs into.
5. Larry says: Don’t use any “funny” characters in computer or workgroup names. All caps is the safest choice. WORKGROUP is a good workgroup name.
The Resource kit for Windows 98 states that the following characters can be used in workgroup and computer names:
! @ # $ % ^ & ( ) - _ ' { } . ~
Microsoft Knowledge Base Article ID: Q250927, How to Configure a Peer Network, at http://support.microsoft.com/support/kb/articles/Q250/9/27.ASP? states that the following characters should not be used in computer and workgroup names:
/ \ * , . " @
There is also a problem using alternative workgroup names with lower case characters.
Larry