Daktronics

Venus 7000: Cannot map drive, computer credentials not changing

Potential Symptoms

  • Windows 7 computer cannot map drive to another computer, but mapping a drive from the Windows 7 computer works fine.
  • Firewalls are off, networking communication is good between computers.
  • Trying to access the other computer from the Windows 7 computer prompts for User Credentials, but entering the correct credentials does not suffice. 

Environment

  • Windows 7, Windows 10

Cause

  • Group policy is not allowing different credentials when connecting to a networked folder.

Resolution

  1. To edit the Group Policies, we need to run the Group Policy Editor program. Press the Windows and R keys together to bring up the Run Program dialog, and then, in the Run dialog, enter gpedit.msc and press the OK button.

  2. After a few moments the Group Policies Editor will open.

  3. In the Group Policies Editor, open each of the following items in turn:

    Computer Configuration
    Windows Settings
    Security Settings
    Local Policies
    Security Options

  4. Now, right-click on the "Network security: LAN Manager authentication level" policy item, and then, from the context (pop-up) menu, select "Properties".

  5. Now select the "Local Security Settings" tab, and then, in the dropdown box, locate and select "Send LM & NTLM - user NTLMv2 session security if negotiated".

  6. Now click the OK button, and then finally, you may close the Group Policies Editor window.

  7. The problem should now be fixed, and your mapped drive logins should now be persistent through multiple reboots of the system.

KB ID: DD2783023

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