OS X 10.5.1 Upgrade + Cisco VPN + ‘Error 51: Unable to communicate with the VPN subsystem’ ? Try this.
December 10, 2007 | In: citations
If you've recently upgraded to OS X 10.5.1 and noticed your Cisco VPN client reporting a friendly 'Error 51: Unable to communicate with the VPN subsystem' error, you'll need to do the following. sudo /System/Library/StartupItems/CiscoVPN/CiscoVPN...
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