Web site TechRepublic has posted 10 tips for connecting your Mac OS X computer to a Windows network. For example:

If you're connecting Macintosh OS X computers to a Windows workgroup, there's a chance the two won't play well together. The reason is that Windows systems sometimes feature different workgroup names. For example, many Windows systems default to using the MSHome or Workgroup workgroup name... requiring changes to Apple's default workgroup name.
LINK