Red "X" on mapped network drives on new Server 2008 R2 - Windows 7 domain

Discussion in 'Windows Server' started by Gregg Hill, Jun 17, 2010.

  1. Gregg Hill

    Gregg Hill Guest


    I recently finished a move from an old Windows 2000 domain with Win 2000
    workstations to a new domain with a 2008 R2 server and all Win 7 Pro and
    Ultimate workstations, everything being 64-bit. Things seem to work
    but I frequently see a red X on the mapped drives in Windows Explorer on
    the workstations and on the server. I have set the autodisconnect in the
    registry to the FFFFFFFF maximum setting on the server and on the clients,
    yet I
    still get the red X after a while, sometimes less than the 15-minute default

    At home, I have an SBS 2003 domain with Windows 7 clients, and they don't
    the red X on mapped drives.

    Is this a purely cosmetic thing, or are these drives really disconnecting?
    they do reconnect quickly when double-clicking one of the drives or using
    Word/Excel to open a file. I am concerned that the drive really is being
    disconnected, because they have an Access database, and it is my
    that Access does not fare well with network disconnections.

    I have run into these problems on older domains, and the autodisconnect
    always worked to eliminate the red X problem, but not on this new 2008 R2
    domain. I also see a KeepConn registry change, but I never needed that
    and I am hesitant to try it now until I read up on it some more.

    I have Googled until my fingers are bleeding, but the #1 "fix" is always the
    autodisconnect setting.

    So for those of you with more 2008 domain experience, is this behavior

    Thank you for your time!

    Gregg Hill
    Gregg Hill, Jun 17, 2010
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  2. Have you found a solution? I am experiencing the same thing with my Server 2008 R2. I have done everything with the autodisconnect that Microsoft suggests. Still the same thing.
    Robert Parkinson, Oct 19, 2010
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  3. Hello,

    I'm experiencing exactly the same problem: Server 2008 R2, Win 7 Pro 64bit Clients (several different Hardware Configurations, ergo the problem definitely doesn't depend on Clients Hardware or Drivers). Red X on mapped drives in explorer resp. disconnected state of the shares reported by net use every few minutes. The shares thenselves aren't any problem to me. But at the same time the state of the share are changing to disconnected, the Workstation ist experiencing errors when querying a MSSQL Database on the server. Abviously the network connection had been disconnected. Windows shares don't care, they just reconnect silently as needed, but the SQL-Session(?) or so is gone then.
    What Server Hardware do You use? We got an HP ProLiant ML370G6 with a 4 port GB-NIC NC375i. We already did all the registry stuff that can be found on the web (autodisconnect, disable chimney... newest drivers and so on ...). What we didn't do yet is exchanging Server Hardware, thinking of the Server's NIC in particular.
    As the SQL Application is vital to my customer, You can imagine my concern in this case.

    Johannes Schwarzenberger

    Submitted via EggHeadCafe - Software Developer Portal of Choice
    SharePoint WorkFlow Basics
    Johannes Schwarzenberger, Oct 22, 2010
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