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Problem: Proxy server authentication failure

Symptom

The following error message appears when you try to authenticate to the proxy server:

The username or password you entered for the proxy server authentication is invalid. Please try again.

Solution

This problem might occur when the authentication credentials provided for proxy server authentication are invalid. Try to log in again with the correct username and password. For more information about configuring proxy server settings, see "Configuring VPN Client to Work With a Proxy Sever".