Network Drive Timeout Prompting for credentials

Posted on 2012-08-27
Last Modified: 2012-09-16

I have a new Windows 7 Pro machine that is part of a Server 2008 domain. The machine is losing it's connection to mapped drives periodically and is prompting the user for his credentials upon trying to open.  This is the only machine on the domain having the issue.  I have tried extending the timeout period on the server registry and the workstation registry, yet the problem still persists.

Could anyone lend any direction as to where to look to disable any sort of timing out on mapped drives?
Question by:urbanstyles
    LVL 17

    Expert Comment

    by:Lior Karasenti
    Maybe its hardware problem..
    You can try add another network card and see if the problem disappear
    and can also connect other workstation to the same network socket where the workstation is maybe the problem is with the network socket

    Author Comment

    Interesting idea, problem is I'm supporting this user from across the country.  Physical changes prove difficult.
    LVL 17

    Expert Comment

    by:Sikhumbuzo Ntsada
    Check the Power Options, Take off Hibernation and remove the PC from going to sleep.
    Also go to the Properties of the NIC, go to Configure and remove the option to allow the PC to turn off the NIC device.
    LVL 6

    Expert Comment

    Have you looked to see if the users account is being locked out and have you tried re adding the PC to the DC as it could cause several issues.

    Author Comment

    No power saving features are enabled. NIC does not have the ability to sleep.  User is not locked.  When network drives timeout, i am still able to browse server shares by UNC path, it's just the drive that locks up.

    I will try readding to DC if continues.


    Accepted Solution

    As it turns out, it was an obscure DNS issue.  Explicitly setting the DNS server was the culprit.  Resetting the network controller to automatically obtain DNS information resolved the issue, though I am as of yet, unsure why.

    Author Closing Comment

    Trial and error found the source of the problem.

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