Error 691, Access denied because username and/or password is invalid

  1. Verify the logon ID and password are correct.
  2. Make sure the VPN connection's security option is correctly configured to use the Require secured password setting.

Was this answer helpful?

 Print this Article

Also Read

Change/Fix MTU on Windows XP

Windows XP use a fixed maximum transmission unit (MTU) size of 1500 bytes for all PPP...

What is VPN pass-through ?

First, if you haven't already, disable any pc firewall while troubleshooting the VPN connection....

PPTP VPN Error 619, can not connect

This is a pptp client error that basically means it could not establish communication with the...

I received error 721, which says the remote computer is not responding.

Cause: This issue can occur if the network firewall does not permit GRE traffic (IP protocol...

Change/Fix MTU on MacOS

Official MacOS tutorial: http://support.apple.com/kb/HT2532   Products Affected Mac OS X 10.4,...