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Thread: CMD and UNC Paths in Login Script

  1. #1
    David Guest

    CMD and UNC Paths in Login Script

    I am running a .cmd file as a login script on Domain Controllers.

    The script works fine on 2k boxes but every time it runs on a 2k3 box, the
    following error message appears:

    CMD.EXE was started with the above path as the current directory.
    UNC paths are not supported. Defaulting to Windows directory.


    The script still runs fine, but is there any way i can get rid of this error
    message?


    Thanks!



  2. #2
    Jerold Schulman Guest

    Re: CMD and UNC Paths in Login Script

    Add the following to the logon script:

    REG ADD "HKCU\Software\Microsoft\Command Processor" /V DisableUNCCheck /T REG_DWORD /F /D 1

    The second time it runs for a user, the message will be gone.

    NOTE: REG.EXE is built into Windows XP and Windows Server 2003.
    It is installed on Windows 2000 from the Support Tools folder on the Windows 2000 CD-ROM.

    Alternately, store the following DisUNCCK.reg file in the netlogon share of each DC:
    REGEDIT4

    [HKEY_CURRENT_USER\Software\Microsoft\Command Processor]
    "DisableUNCCheck"=dword:00000001

    In the logon script, add
    regedit /s %LOGONSERVER%\NETLOGON\DisUNCCK.reg

  3. #3
    ThorstenK Guest

    Re: CMD and UNC Paths in Login Script

    perhaps just beginn the script with a "cls" to get rid of the message.

  4. #4
    Al Dunbar Guest

    Re: CMD and UNC Paths in Login Script

    That's what we do, and nobody has complained yet about it.

  5. #5
    Mark V Guest

    Re: CMD and UNC Paths in Login Script

    That's interesting Jerold. XP, W2K3 only?
    It seems not to have yet made it into a Tip. At least, a search on
    DisableUNCCheck
    does not hit.

  6. #6
    Michael Harris \(MVP\) Guest

    Re: CMD and UNC Paths in Login Script

    Cmd.exe does not support UNC names as the current directory

    http://support.microsoft.com/?kbid=156276

    from a google search for DisableUNCCheck ...

  7. #7
    Jerold Schulman Guest

    Re: Re: CMD and UNC Paths in Login Script

    All versions of NT, from NT 4.0 - NT 5.2 (and beyond).
    It will make the tips soon.

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