Updated on 2024-07-23 GMT+08:00

The Client Log Contains "OPTIONS ERROR"

Symptom

A client cannot connect to a P2C VPN gateway, and the log contains the following error information:

OPTIONS ERROR: Unrecognized option or missing or extra parameter(s) in XXX: disable-dco

Possible Causes

The OpenVPN client software earlier than 2.6 is used, which cannot identify the disable-dco configuration item.

Procedure

Add a comment character (#) in front of the disable-dco configuration item in the client configuration file, and reconnect the client to the VPN gateway.