Event ID - 20255

Event Id20255
SourceRemoteAccess
DescriptionThe following error occurred in the Point-to-Point Protocol (PPP) module on port: %1, UserName: %2.
Event Information According to Microsoft :

Cause :

This event is logged when the error occurred in the Point-to-Point Protocol (PPP) module on port.

Resolution :

Correct the mismatch in client and server configuration parameters

Possible resolution:

Check that the remote access client connection is configured with the same connection parameters as the remote access server. For example, Microsoft Challenge Handshake Authentication Protocol (MS-CHAP) version 1 is not supported in the Windows Vista operating system. MS-CHAP version 2 should be used instead because it provides better security. However, Network Policy Server (NPS) supports and can be configured to use MS-CHAPv1 or MS-CHAPv2. There is a potential mismatch in this case with authentication protocols in the client and server configuration parameters. In this case, on the client computer running Windows Vista, change the authentication protocol configuration parameter from MSCHAPv1 to MSCHAPv2, and attempt to re-establish the connection. 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.
Reference LinksEvent ID 20255 from RemoteAccess

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