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Using RADIUS Agent for Transparent User Identification > RADIUS Agent troubleshooting > RADIUS Agent: VPN issues
RADIUS Agent: VPN issues
Using RADIUS Agent | Web Security Solutions | Version 7.7, 7.8
The VPN client is not successfully logged onto the VPN network
To verify that RADIUS server is authenticating clients, check the RADIUS server's log file for the user name in question.
For Microsoft IAS, go to the IAS management console and see Remote Access Logging to find out where the log file is. (Set which actions are logged via the Properties panel).
RADIUS Agent is blocking a VPN connection
Because RADIUS Agent sits between a VPN client and VPN server, RADIUS Agent may block VPN traffic. In this case, you must remove the agent. Simply stopping the agent is not sufficient; the agent must be removed from the link between the RADIUS client and server.
To ensure that RADIUS Agent is removed:
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On the VPN client, configure the client to communicate directly with the server. In most cases, this involves setting the IP address of the RADIUS server and changing the port number from 12345 to 1812.
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On the RADIUS server, remove RADIUS Agent as a client.

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