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Event ID 20101 — RRAS Authentication and Accounting

  • Article

Applies To: Windows Server 2008

If a remote access server is configured for Windows authentication, the security features of Windows Server 2008 are used to verify the credentials for authentication, and the dial-in properties of the user account are used to authorize the connection.

If the remote access server is configured for RADIUS authentication, the connection request, including credentials, is forwarded to the RADIUS server for authentication and authorization. If the RADIUS server is a computer running Network Policy Server (NPS), NPS performs authentication against the credentials that are stored in the user account database, such as Active Directory Domain Services (AD DS) or the local Security Accounts Manager (SAM) database on the server running NPS. NPS performs authorization using the dial-in properties of the user account and with network policies that are configured in NPS.

Event Details

Product: Windows Operating System
ID: 20101
Source: RemoteAccess
Version: 6.0
Symbolic Name: ROUTERLOG_REGVALUE_OVERIDDEN
Message: Using the default value for registry parameter: %1 because the value given is not in the allowed range for the parameter.

Resolve

Correct the registry parameter

Possible resolution:

  • Correct the registry parameter or ignore the error. This error does not cause any interruption in service.

To correct the registry parameter:

  1. Open Registry Editor. Click Start, click Run, type regedit, and then press ENTER.
  2. Right-click HKEY_LOCAL_MACHINE, and then click Find.
  3. Enter the registry parameter name from the event text, and then click Find Next to search through the registry.
  4. Correct the registry parameter.

 

Verify

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 Authentication and Accounting

Routing and Remote Access Service Infrastructure