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1. #Cisco vpn client error 56 how to#
2. #Cisco vpn client error 56 mac os x#
3. #Cisco vpn client error 56 password#

I rebuild disk permissions and rebooted, the problem went away and I was able to uncheck the Internet Sharing over Firewire port option and everything worked fine. Just wow.what are the odds? I would uncheck it, exit preferences, then go back in and some danged port would be re-checked again. Last night I got an email from a user with this Error problem, so in the process of making some screenshots, I encountered this "sticky" setting.

You can check before exiting the preferences by simply highlighting some other sharing option then re-highlighting the Internet Sharing option. It makes no difference if you have Internet Sharing enabled or disabled, if anything is checked, Cisco VPN simply will not work and will give you the "Error 51:Unable to Connect with the VPN Subsystem."ģ.) Even if you disable the blasted ports.they seem to switch right back on sometimes. Then you can then DISABLE it again.Ģ.) For some reason, after upgrades or for no reason whatsoever, my Firewire port will get rechecked. It has ALWAYS been fixed by going into Internet Sharing and making sure that ALL ports are UNCHECKED! Then, once they are all unchecked, disable Internet Sharing and you are good to go.ġ.) You need to ENABLE Internet Sharing to uncheck the ports. The infamous Error 51 has reared it's head on my laptop running Leopard multiple times. Posted by Anders Brownworth Monday, Novem7:25 PM It makes one ask, why couldn't Cisco have just put the restart into their client? Or a better idea would be to not reinvent the wheel and use the existing IPSec VPN support in OSX! Am I missing something?ĮDIT: The MacWorld guys came up with a simpler way to do the same thing: The above hack should side-step all of these issues by causing the CiscoVPN to re-initialize. Considering that CiscoVPN is typically used by telecommuters, this is an astonishing oversight on Cisco's part. Sometimes putting a system to sleep, disconnecting an Ethernet cable or simply reconnecting your wireless will cause CiscoVPN to loose track of the network adapters on the system. Cisco seems to have problems when network adapters disappear and reappear, something that happens commonly in Wireless or Dial-up scenerios. This will stop and start the "VPN Subsystem", or in other words restart the CiscoVPN.kext extension.

#Cisco vpn client error 56 password#

Sudo kextload /System/Library/Extensions/CiscoVPN.kextĪnd give your password when it asks. Sudo /System/Library/StartupItems/CiscoVPN/CiscoVPN restart The simple fix is to quit VPNClient, open a Terminal window, (Applications -> Utilities -> Terminal) and type one of the following: If you are running Cisco's VPNClient on Mac OSX, you might be familiar with (or tormented by) " Error 51: Unable to communicate with the VPN subsystem".

#Cisco vpn client error 56 how to#

Here's a guide that tells you how to convert from CiscoVPN to the native OS X client.

#Cisco vpn client error 56 mac os x#

EDIT: You can use the native VPN client in Mac OS X instead of the CiscoVPN software.