Map a drive Win 7 --> 2000 Server with no password

Posted on 2011-10-04
Last Modified: 2012-05-12
User has an old Windows 2000 server and several XP desktops.  All of those XP boxes map a drive F: to the server, and when it asks for credentials, they login as admin, but with no password.  This has apparently worked fine for them for years.

Now I've added a Win 7 Pro desktop, and I'm unable to make that same connection.  When I'm asked for login name and password, I use 'admin, "blank"' and it says it's invalid.  I'm wondering if this is a Win 7 issue, where maybe it requires that a non-blank password be used??  I'm hoping to solve it without having to change their users on the server if possible, i.e. ideally be able to log in just like the XP boxes do.  Any suggestions?  TIA
Question by:sasllc
    LVL 89

    Expert Comment

    by:John Hurst
    Set it up to work with passwords as Windows 7 works best that way. Then log in using the userid and password. Look in Control Panel -> Network and Sharing Center. Make sure options are set appropriately and make sure passwords are enforced. Make sure Homegroup is OFF. In Windows Explorer -> Folder Options, I do not use the sharing wizard (equivalent of simple file sharing).

    Open a command prompt now, and type NET USE Z: \\windows2000\folder, authenticate and what answer do you get.

    I have no clients anymore with Windows 2000 Server, but I connect to my Windows 2000 virtual machine with no issue. .... Thinkpads_User
    LVL 20

    Accepted Solution

    In the Windows 7 box, change the NTLM authentication level to “Send LM & NTLM - use NTLMv2 session security if negotiated” in Windows 7.

    LVL 20

    Expert Comment

    Here is where you should find it in the WIN7 PC:

    Control Panel - Administrative Tools - Security Settings
       Local Policies - Security Options

    Set the following:

    Network security: LAN Manager authentication level  (set to)
          Send LM & NTLM responses

    Minimum session security for NTLM SSP
         (Disable) Require 128-bit encryption

    LVL 89

    Assisted Solution

    by:John Hurst
    >>> change the NTLM authentication level to “Send LM & NTLM - use NTLMv2 session security if negotiated.

    I have to do that to map to Windows 98 and earlier, but the default setting should work for Windows NT4 forward.

    ... Thinkpad_User

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