Mac OS X 10.3: Some Zones, Workgroups, or SLP Scopes Don‘t Appear When Browsing Network
Sometimes, you can't see all AppleTalk Zones, Windows Workgroups, Windows Domains, or SLP Scopes in the Network Browser. If some devices appear and others don't, the missing ones may have duplicate names.
Symptom
Some network resources appear in the zone list, but others you expect do not appear.