Mapped drives are disconnected

Discussion in 'Windows Server' started by CLAllred, May 25, 2005.

  1. CLAllred

    CLAllred Guest

    I have a 2003 server with XP clients. The XP clients throughout the day are
    being disconnected from the mapped drives on the 2003 server. I have changed
    the lanmanserver parameters in HLM/Sys/CCS/Services to be ffffffff of the
    autodisconnect on the XP machines but this has not helped the problem as
    found in Q297684 of the KB and I do not use group policies.

    Is anyone else having this kind of issue? Is it an XP issue or a 2003 issue?
    It is driving me crazy and need help fast!

    Thank you from a crazed IT.
    CLAllred, May 25, 2005
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  2. CLAllred

    Todd J Heron Guest

    Update the drivers for the network card.


    The problem may be SMB signing or LAN Manager authentication level. In
    Windows 2003, default server policy forces all SMB traffic to be digitally
    signed which seems to cause a problem in some configurations of XP Pro. In
    Local Security Policy (Start > Run > secpol.msc > OK) navigate to security
    options (Security settings > Local policies > Security) and try disabling
    the option for Microsoft network server:digitally sign
    communications(always). Ensure you do this on all machines involved (such
    as via a GPO for an OU). Run gpupdate /force on the server after making the
    change and do the same on the client machine afterwards.

    Security settings that can cause a problem with downlevel client access:;[LN];811497;en-us;823659
    Todd J Heron, May 27, 2005
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  3. CLAllred

    CLAllred Guest

    I made these adjustments on my server and on one XP Pro machine. The XP
    machine did not have these policies configured, so I disabled them. I have
    made this machine my "controlled environment" machine to see if this works.

    Will this work even if one of the mapped drives is to a SCO-Unix machine?

    I will keep you posted. Thanks for the information.

    CLAllred, May 27, 2005
  4. CLAllred

    CLAllred Guest

    I did not click to notify of a reply. so this is to let me know. thanks
    CLAllred, May 27, 2005
  5. CLAllred

    CLAllred Guest

    Sorry to take so long to reply.
    I did as you said on my controled computer and it did not help. The Unix
    machine still disconnected from the XP computer. As long as the user "logs
    off" and back on then they are fine.

    Any other suggestions? I am starting to install more XP machines that will
    connect to this Unix box and can't have this continuing to occur.

    Thanks for any help
    CLAllred, Jul 12, 2005
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