Microsoft has introduced a security feature that refuses to serve a request if the target server name is not the server's actual name. This feature will prevent creation of DNS aliases for use in various scenarios like aliases for SQL Servers, File and Printer Sharing etc.

  1. Go to "Run" App:

    RUN-App-windows-server-2012.jpg
  2. Type "regedit" and press Enter:

    Type-REGEDIT-Windows-server-2012.jpg

  3. In the Registry Editor go to "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\LanmanServer\Parameters":

    Registry-Editor.jpg

    Registry-Editor-parameter.jpg

  4. Right-click on Parameters and Create a new DWORD:

    Create-a-new-DWORD.jpg
  5. Right-click on DisableLoopbackCheck and modify the value:

    DisableLoopbackCheck.jpg
  6. Set the value to 1 Decimal:

    Set-the-Value.jpg

    Value-Set.jpg

  7. Restart the machine.