Event ID 20151 — RRAS PPP Initialization

Applies To: Windows Server 2008 R2

During connection initializaiton, Point-to-Point Protocol (PPP) uses Link Control Protocol (LCP) to negotiate link parameters, such as the maximum PPP frame size, the use of Multilink, and the use of a specific PPP authentication protocol.

Event Details

Product: Windows Operating System
ID: 20151
Source: RemoteAccess
Version: 6.1
Message: The Control Protocol: %1 in the Point-to-Point Protocol (PPP) module: %2 returned an error while initializing. %3


Disconnect and retry the remote access connection, check network services, or check NAP

Possible resolutions:

  • Disconnect and retry the remote access connection.
  • Check that network services such as firewall services, NAP Agent, antivirus, system health validators (SHVs), and system health agents (SHAs) are running.
  • Make a Network Access Protection (NAP) connection, change the statement of health (SoH), and then check if the issue still exists.


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 PPP Initialization

Routing and Remote Access Service Infrastructure