Account Has been Disabled

here is our scenario:
On Windows XP professional only. . .member of domain (Win2k Advance Server).

There are so many instances that we could not logon to our computer becuase the account has been disabled message appear. Windows 2000 are not affected.

Resolution: login to local account and re-add the computer to the domain.

do we need to upgrade to Windows Advance Server 2003???