Anders from Cambridge, MA #227 | Tuesday, May 10, 2011 7:06 AM Nick, What is the output of this command on your machine: (in Terminal) find /* -iname "*cisco*.kext" This will The second command loaded it and then it worked. I had that problem that tried most of the advises posted here. This was exactly what i needed to do! http://gmailpush.com/error-51/vpn-client-error-51-pc.html
Louis/MO/USA #233 | Wednesday, July 20, 2011 1:56 PM Hey, for those that can not use the Snow Leopard VPN to work or are having issues with terminal, I used this Then reboot so you are sure nothing CiscoVPN related is resident in memory (it seems from your debug output that the module didn't unload for some reason either) and do a You can not post a blank message. These were the instructions that I followed that resolved the error "In my case it happened if running the 64-bit kernel (see this Apple support article if you're not sure how
Anders from Cambridge, MA #240 | Friday, August 12, 2011 7:40 AM @Allen Can you post more of your system log right around the IKE FAILED message? PennyFinder from Boston, MA #134 | Sunday, February 1, 2009 9:49 AM This solved my Error 51 in Leopard immediately: sudo kextunload /System/Library/Extensions/CiscoVPN.kext sudo kextload /System/Library/Extensions/CiscoVPN.kext From Paul Paradise Derek from Broke my Cisco VPN client 4.9.01.0100 which was working fine in 10.5.2. Your other alternative is to set up a native connection.
I would uncheck it, exit preferences, then go back in and some danged port would be re-checked again. I just cut and pasted sudo /System/Library/StartupItems/CiscoVPN/CiscoVPN restart into my terminal. Read, Write and execute permissions often get fouled up for some reason on the Mac OSX when new programs are installed. Error 51 Unable To Communicate With The Vpn Subsystem Windows 10 reinstalling doesnt work Anders from RTP #11 | Wednesday, June 20, 2007 4:52 PM Rutger: This is the first time I'm hearing about this error in Windows.
did a command line restart of the vpn client 3. JC from Maine #118 | Wednesday, October 15, 2008 6:32 PM Copied and pasted into Terminal. Symptoms: You are starting a Cisco VPN Client and immediately you are getting this error message: Error 51: Unable to communicate with the VPN subsystem. Thanks in advance!
It is possible that the name of the .kext changed. Error 51 Credit Card Scott from #212 | Wednesday, February 2, 2011 7:59 AM Awesome! Dan H from Portland, OR #159 | Thursday, October 15, 2009 11:11 AM I tried this: sudo kextunload /System/Library/Extensions/CiscoVPN.kext sudo kextload /System/Library/Extensions/CiscoVPN.kext The kernel extension unload command didn't work because it BUT maybe it can ...
Gavin from Rockville, MD #115 | Wednesday, October 8, 2008 9:05 AM Hi Anders, Yes, I dragged the old version from Apps to the trash, emptied it, then installed from a https://discussions.apple.com/thread/3195725?start=0&tstart=0 tried reinstalling and everything.. Error 51 Unable To Communicate With The Vpn Subsystem Windows 7 the1plummie from santa clara/ca/us #145 | Saturday, April 4, 2009 1:46 PM whenever i got this error before i just restarted my computer to get rid of the problem. Error 51 Cisco Vpn Windows 10 Thanks!!
Fixed on OS X 10.5.3 with VPN Client 4.9.01 (100). http://gmailpush.com/error-51/vpn-client-os-x-error-51.html Am I missing something? Thanks! Then, once they are all unchecked, disable Internet Sharing and you are good to go. Unable To Communicate With The Vpn Subsystem Windows 8
I am very happy with how openvpn works - it is stable, fast and easy. It should work. I searched through Cisco's crap for 15 minutes and then gave up on them. check over here Kurli from US #177 | Tuesday, March 30, 2010 8:28 AM You just saved my sanity!
Or a better idea would be to not reinvent the wheel and use the existing IPSec VPN support in OSX! Error 51 Unable To Communicate With The Vpn Subsystem Windows 8 Stephen Bau from Abbotsford / BC / Canada #175 | Friday, March 5, 2010 8:29 AM On Snow Leopard (Mac OS X 10.6.2) nothing was working until I loaded the kernel Lantao Liu from US #123 | Sunday, November 2, 2008 10:49 AM can anybody describe the reason of this problem?
Even better! I don't have any firewalls on and am not part of any network. I tried the sudo command several times and every time the output says that the command could not be found. Cisco Vpn Error 56 Secure VPN Connection terminated locally by the Client. 412: The remote peer is no longer responding.
You won’t see any output from the command; the Terminal prompt will return when it’s done. After getting nowhere with my IT person, Apple and Cisco, I somehow noticed in my finder window a "Devices" folder that had been opened out so I could see the sub The kernel log says something about SIOCPROTODETACH_IN6: utun0 error=6 and the system log says IPSec Controller: IKE FAILED. http://gmailpush.com/error-51/vpn-client-error-51-xp.html Because on the MBP SL boots into 32-bit by default, but the default is to boot into the 64-bit kernel on a MacPro.
I went to terminal and ran this command > /usr/local/bin/vpnclient stat This told me that 'nobody' user is missing. Your solution resolved my issue and made me happy. Dan from London Ontario Canada #201 | Saturday, October 9, 2010 2:50 PM Perfect - I have never gone into Terminal, but I really needed to solve a client problem via Nabha from California #189 | Friday, July 9, 2010 10:50 AM Holy smokes, thanks for sharing this; it worked perfectly.
Anders from NY #155 | Wednesday, September 2, 2009 5:49 PM @Harry Ouch. Adam. Please type your message and try again. However, I also am now using the native Mac VPN client per you instructions.
The Cisco VPN Client doesn’t have this annoying problem, so I use it instead.) While the Cisco VPN Client works well most of the time, sometimes when I try to launch It worked perfectly for me! :-) Miguel Miranda from #49 | Monday, January 28, 2008 9:29 AM Worked like a charm! Let me know if it works. Had the same glitch after upgrading to Snow Leopard.
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