Event ID - 20252

Event Id20252
SourceRemoteAccess
DescriptionThe user connected to port: %1 has been disconnected because the authentication process did not complete within the required amount of time.
Event Information According to Microsoft :

Cause :

This event is logged when the user connected to port has been disconnected because the authentication process did not complete within the required amount of time.

Resolution :

Reconnect to port or increase the PPP negotiation time

Try to connect to port again. If the problem persists, increase the PPP negotiation time.

In the registry, change the time for the PPP negotiation process to time out. You set the NegotiateTime entry in the following registry subkey:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\RasMan\PPP\Parameters\NegotiateTime

Note : The default value is 150 seconds. Changes to the registry setting will not take effect until the Routing and Remote Access service or Internet Authentication Service (IAS) are restarted.

Caution : Incorrectly editing the registry might severely damage your system. Before making changes to the registry, you should back up any valued data on the computer.

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 20252 from RemoteAccess

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