Fix an Error 51 With the Cisco VPN Client | PCWorld

Cisco Vpn Client Error 51 : Unable to communicate with the Mar 09, 2010 Error 51: Unable to communicate with the VPN subsystem Each time i try to bring up the VPN client, I get the error message 'VPN “Error 51: Unable to communicate with the VPN subsystem”. Please assist. Thanks. This thread is locked. You can follow the question or vote as helpful, but you cannot reply to this thread. Cisco VPNClient – Error 51 – It's Me, Tommy

I don't use Apple Macs but I do use Cisco VPN client software. However, it appears to me that Cisco VPN and Macs sometimes have problems with each other (that much was pointed out by blogger Rob

Cisco VPN and Lion - Error 51 - Apple Community Sep 16, 2011 Fix for Cisco VPN Error 51 | Network World

How To Fix Cisco VPN Client Error 51 - Solvusoft

vpn client error 51 windows xp - Cisco Community Installed vpn client on windows xp sp2. Restarted and launched the client. Received the following error message. "Error 51: UNable to communicate with the VPN subsystem. tech answer guy: VPN client error 51: unable to a security update for the Macs may have broken Cisco VPN client versions 4.8 or earlier. However, VPN client version 4.9 or above works, as I have since installed the … Cisco VPN Client Error 51: Unable to communicate with the