XP client Share keeps on prompting for user name and pw,

I have a Windows 2008 R2 Domain controller and several xp workstations. All are joined to the Domain. On some of the XP Clients, after a shared drive on the server is mapped with the re-connect box checked. The maps remain, but when the user tries to open the share, they are prompted for a user name and pw. The login should be authenticated by the Original user login to the account.
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Darius GhassemCommented:
Can you please post ipconfig /all for the clients and server. You need to make sure the clients and server only point to internal DNS servers.

Are the network drives setup through a  logon script?

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Likely you have an old password stored in the XP password cache.  As the user who is having problems, go to control panel > User Accounts > Advanced > Manage Passwords and remove anything listed there which is related to the mapped drive.

Disconnect the mapped network drive and ensure all existing connections to that server are removed
Best way to do this is to check from a command line using "net use".
If anything remains enter "net use x: /d"

Then remap the drive.  It should just map without prompting for a password.  Ideally put this drive mapping in a login script.
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Windows Server 2008

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