Active Directory issue - Urgent

Window XP Pro SP2 client connecting to Windows Server 2003 domain: All of a sudden, when trying to logon certain users from XP machine I now get "The local policy of this system does not permit you to logon interactively". But only certain users have problem. Users who are Domain Admins do NOT have problem, and a pre-existing user who already had local profile on XP (for domain) does NOT have problem. It seems to me that problem is on the server side (in AD) because if I put one of the problem users into the Domain Admins group they can logon OK. If I take them out of this group I get the error again. I also looked at Local Security Policy on XP but didn't see anything. I need someone who is familiar with this problem to fix it right away. I also need an explanation that spells out what was done to resolve the issue. ## Deliverables 1) Complete and fully-functional working program(s) in executable form as well as complete source code of all work done. 2) Deliverables must be in ready-to-run condition, as follows? (depending on the nature? of the deliverables): a)? For web sites or? other server-side deliverables intended to only ever exist in one place in the Buyer's environment--Deliverables must be installed by the Seller in ready-to-run condition in the Buyer's environment. b) For all others including desktop software or software the buyer intends to distribute: A software? installation package that will install the software in ready-to-run condition on the platform(s) specified in this bid request. 3) All deliverables will be considered "work made for hire" under U.S. Copyright law. Buyer will receive exclusive and complete copyrights to all work purchased. (No GPL, GNU, 3rd party components, etc. unless all copyright ramifications are explained AND AGREED TO by the buyer on the site per the coder's Seller Legal Agreement). ## Platform Windows 2003 Active Directory