Network Drive Mapping Problems

Discussion in 'Windows Networking' started by Booter, Mar 15, 2011.

  1. Booter

    Booter Guest

    Hello All,

    Where I work we are having a peculiar problem with mapping one of our
    network shares as a mounted drive. Before I go any further I will
    give a little background info on our setup. We are running Windows
    Server 2008 R2 on our servers which users connect to via Oracle's Sun
    Ray Connector. Upon login we have a script that will use the current
    users credentials to map 3 network drives: one for personal storage,
    one for group storage, and one for software installations (small ones)
    and links to installer packages that they are allowed to install on
    their personal computers.

    Recently we have been getting reports of the group storage space not
    mapping at login and when we try and manually map said share we get
    the following error:

    Windows cannot access \\server\share

    Check the spelling of the name. Otherwise, there might be a problem
    with your network. To try to identify and resolve network problems,
    click Diagnose.

    Error code: 0x80070035

    The network path was not found.

    Now for some reason this problem occurs randomly across our 49 servers
    that our users access and need this particular drive. For example,
    one week we can logon and off of all the servers and see that the
    problem is on server x, y, and z but the next week we logon to all of
    the servers again (without a reboot on any of them) and only server e
    will have the problem. Another observations that we made was that you
    can ping the server the that hosts the drive and can even go to the
    root of the shared folder by typing \\server\ into an explorer window
    but once you try and double click on the shared folder it gives the
    error above. A reboot seems to fix this problem but we don't want to
    have to reboot our servers every time we see that one is having
    troubles with this drive as some users run long simulations that can
    take days at a time.

    Thanks for any help that you can give. If you need more information
    just let me know and I will see what I can do.

    Gerad Bottorff
    Booter, Mar 15, 2011
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  2. Booter


    Mar 26, 2011
    Likes Received:
    1) To check if a third party application is a cause, Boot in Safe Mode with Networking option and check if this issues still persists, if the issue is resolved, you need to perform a Clean Boot by following the steps mentioned in the following KB article to narrow down the exact source and isolate it: KB 929135

    2) No firewall or security software blocks sharing
    The issue may be caused also by your security program such an anti-virus or a Windows Firewall /Defender which might have conflicting settings as to not to perform certain tasks. I suggest that you temporary disable the anti-virus and firewall and check the result again. You would need to turn on the security programs again which you had disabled.

    3) Password Protected: OFF (unless you want to set up identical usernames and passwords on ALL computers in your Network) or you can try creating the same username and password on both the computers.

    Try pinging IP address of the computer from the other but not by machine name (PING each computer by IP address, and if successful, PING by name. You can obtain the IP address of a computer by opening a command prompt (DOS window) and typing IPCONFIG)

    4) Ensure NetBIOS over TCP/IP is enabled on both computers

    1) Go to “Control Panel - Network Connections”.

    2) Right-Click on the connection and click Properties.

    3) Find Internet Protocol (TCP/IP) Version 4 in the list.

    4) Click Properties, and then click Advanced.

    5) On the Advanced TCP/IP settings windows, go to “WINS” tab.

    6) Under NetBIOS setting, click Enable NetBIOS over TCP/IP, and then click OK.

    5) Disable IPv6 --- ONLY when in an ipv4 environment

    If the issue persists due to IPv6 deployed you might need to follow the steps mentioned in the KB article: How to disable certain Internet Protocol version 6 (IPv6) components in Windows Vista, Windows 7 and Windows Server 2008

    Reference KB Article: 929852

    If you have come to this point, then it indicates WINS or DNS lookups, even possibly the NBT setting in DHCP, more details about your setup is required and could be to do with your network equipment. protocol support/packet collisions.
    koolholio, Mar 26, 2011
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