How can I access a Mac server with Windows Vista?

cpqt August 20, 2010
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Trying to access Mac server using Windows Vista. I know that the server admin is setup correctly. I have no trouble accessing with Windows XP, but none of my Vista machines will work. I continually get invalid user or password. And I’d like to know why when I type in the user name it shows the name of the computer name/user name, i.e. COMPUTER/username. Does that have a bearing on the invalid user name? Can it be a NTLMv2 issue?

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  1. Josh Fox
    August 27, 2010 at 6:09 pm

    I found this information on a forum.

    //Quote//
    - Click Start
    - Click Control Panel
    - Click System and Maintenance
    - Click Administrative Tools
    - Double-Click Local Security Policy
    - In the left pane, click the triangle next to Local Policy
    - In the left pane, click Security Options
    - In the right pane near the bottom, double-click "Network security: LAN
    manager authentication level"
    - Click the drop-down box, and click "Send LM & NTLM - use NTLMv2 session
    security if negotiated"
    - Click OK
    - Restart the computer
    //End Quote//

    To give credit, this was posted on the vistax64 forums by the user Jimmy Brush.

    However, this isn't available in Home Premium. So a registry edit is needed. User Malke on the same forum posted this in a different thread:

    //Quote//
    1. Run the registry editor and open this key:

    HKEY_LOCAL_MACHINESYSTEMCurrentControlSetControlLsa

    1. If it doesn't already exist, create a DWORD value named
    LmCompatibilityLevel

    3. Set the value to 1

    4. Reboot
    //End Quote//

    Both seemed to have positive results.