This combination usually results in the error message:
The account is not authorized to login from this station.
The easiest approach may be to add the "EnablePlainTextPassword" registry key. Other systems (DOS, Windows 3.x, Windows 95, Macintosh w/DAVE) that are not having trouble connecting won't be affected by this and should continue to connect normally. One drawback to this approach is that you may have to re-add the registry key if you install other Service Packs and new NT 4.0 w/SP3 machines will need the key.
Beginning with NT 4.0's Service Pack 3, the SMB redirector does not send unencrypted passwords unless the "EnablePlainTextPassword" registry key is added.
WARNING! Be very careful when using the registry editor. If used improperly the registry can easily become corrupted which may result in an unstable or unbootable system. Please be very careful when attempting this.
Or, you can manually add this key to your registry by:
You should now be able to connect to File & Print services using NT 4.0 / Service Pack 3.