Event ID 20102 — RRAS Registry Configuration

Applies To: Windows Server 2008 R2

Successful remote access and routing connections require the correct configuration of registry settings.


Event Details

Product: Windows Operating System
ID: 20102
Source: RemoteAccess
Version: 6.1
Message: Cannot enumerate keys of Registry key %1.


Check system account privilege level

To perform this procedure, you must have membership in Administrators, or you must have been delegated the appropriate authority.

Open the Registry Editor and check the values of the following registry keys:

  • HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\RemoteAccess\Parameters
  • HKEY_LOCAL_MACHINE\Microsoft\RAS\SecurityHost HKEY_LOCAL_MACHINE\Microsoft\RAS\AdminDll
  • HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\RemoteAccess\Accounting
  • HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\RemoteAccess\Authenication
  1. Check that the System account has read/write permission for each registry key. To check the permissions:
    • Right-click each registry key, and then click Permissions.
    • Check whether the System account has read/write permissions for the key. If it does not, add them.
  2. Check that the paths to all dynamic-link libraries (DLLs) are correct. If a path to a DLL contains any environmental variables (such as %systemroot%), check that the variables are valid for the operating system. Environmental variables might need to be expanded.


To verify that the remote access server can accept connections, establish a remote access connection from a client computer.

To create a VPN connection:

  1. Click Start, and then click Control Panel.
  2. Click Network and Internet, click Network and Sharing Center, and then click Set up a connection or network.
  3. Click Connect to a workplace, and then click Next.
  4. Complete the steps in the Connect to a Workplace wizard.

To connect to a remote access server:

  1. In Network and Sharing Center, click Manage network connections.
  2. Double-click the VPN connection, and then click Connect.
  3. Verify that the connection was established successfully.

RRAS Registry Configuration

Routing and Remote Access Service Infrastructure