Please also note that if you are using a PDC with NT4 SP3 (or NT3.51 SP5), you may have similar problems due to smb signing being disabled.
Please refer to http://www.microsoft.com/kb/articles/q161/3/72.htm
The cleartext password document is http://www.microsoft.com/kb/articles/q166/7/30.htm
Thanks and best regards,
Andrew Bond Network Appliance Systems Engineer South House 3, Bond Avenue, Milton Keynes, MK1 1SW tel: +44 (0)1908-646688 fax: +44 (0)1908-645996 mobile: +44 (0)468-425236 http://www.netapp.com