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Cisco Vpn Error 51 Mac 10.7

http://anders.com/guides/native-cisco-vpn-on-mac-os-x/ Cary from Indianapolis, IN #236 | Monday, July 25, 2011 3:59 PM My Cisco VPN broke under Lion. With Lion, Error 51 is being returned stating it is unable to communication with the subsystem.Is there a known workaround for this?Thank you! How do I configure the Mac built-in VPN Client?A.In Mac OS X 10.6 and later:Choose System Preferences > Network.Click the lock button in order to unlock it and make changes.Click the I also repaired the permissions just before using the reset. http://vootext.com/cisco-vpn/cisco-vpn-osx.html

sudo ifconfig fw0 down sudo kextload /System/Library/Extensions/CiscoVPN.kext sanya from kyiv/Ukraine #197 | Monday, September 27, 2010 5:55 AM Man, it is no problem with 32-bit macosx mode but what to launch Taylor from Raleigh, NC #152 | Wednesday, August 19, 2009 12:36 PM Thanks! Trying to run 4.9.01.0080 on a 1.33 GHz PowerPC G4 with 10.4.6, connected to the internet via AirPort. Dave from Ottawa, Canada #75 | Thursday, May 22, 2008 8:13 PM Brilliant! https://supportforums.cisco.com/discussion/11245456/mac-os-x-lion-and-error-51-help-needed-asap-please

I can only login to macosx in 32-bit mode. Since then, I have tried these commands multiple times, rebooted, reinstalled the VPN client, turned off AirPort, and rebooted many more times. I keep a copy of the Cisco installer, and just reinstall. Danielle from Cary NC #140 | Thursday, March 12, 2009 1:16 PM I have a Macbook Pro w/OS X 10.5.6.

I'm on 10.5.1 and cisco vpn 4.9.01 (0080) Thanks! Using Snow Leopard and the sudo kextload command, I was able to restart the VPN client. Is there a proof of infinitely many primes p such that p-2 and p+2 are composite numbers? Carina from San Francisco #96 | Friday, August 1, 2008 11:05 AM Thanks for the tip!

Pascal Drew from France #22 | Wednesday, November 7, 2007 5:03 AM I have also just upgraded to Leopard 10.5 and it has started happening to me too, tried earlier ideas r from CT #166 | Tuesday, November 10, 2009 3:35 PM 3 years on, your post is still solving problems. So, after installing the client again I went through these steps. 1. https://discussions.apple.com/thread/3194876?start=0&tstart=0 Cisco should really take care of this.

Apple disclaims any and all liability for the acts, omissions and conduct of any third parties in connection with or related to your use of the site. Tela from Washington DC #43 | Saturday, December 22, 2007 5:00 PM The above solutions have not worked for me but I found another fix that does work. eff-martins-imac:~ jeffmartin$ sudo /System/Library/StartupItems/CiscoVPN/CiscoVPN restart Password: Stopping Cisco Systems VPN Driver kextunload: unload kext /System/Library/Extensions/CiscoVPN.kext succeeded Starting Cisco Systems VPN Driver kextload: /System/Library/Extensions/CiscoVPN.kext loaded successfully John from Freedom PA USA #129 As of May 2007, Apple has released an update that fixes this issue between Cisco VPN and OSX so now things work again as expected.

have you tested it?Philipp See More 1 2 3 4 5 Overall Rating: 0 (0 ratings) Log in or register to post comments aljosaocepek Sat, 07/23/2011 - 06:07 Sorry Philipp, I Refer toCisco IPsec VPN Client on MAC OS X generates the error "Error 51: Unable to communicate with the VPN subsystem".Q. Consider editing the question or leaving comments for improvement if you believe the question can be reworded to fit within the scope. When using another user account it doesnt. "Unable to communicate..." I also deactivated the LittleSnitch Firewall and the Sophos Antivirus.

After using the above command, the Cisco VPN Client should run without any problems—at least until the next time the problem occurs. http://vootext.com/cisco-vpn/cisco-vpn-client-mac-os.html I'm sure there is a good reason somewhere but there is probably a good compromise that could be worked out where this sort of thing won't be an issue. This does not cover the "Error 51" issue from this page but did cause the Cisco VPN software not to connect. Eduardo P.J.

So this is an automated process...Or have you configured any special UDP Port on the VPN Gateway?Anyway, have you tried to establish a VPN connection? asked 4 years ago viewed 136 times active 4 years ago Related 5Cisco 877 as a VPN server?1iPad connections to Cisco VPN error — “Enter your user authentication”0EasyVPN client Access mutiple Patrick from Los Angeles, CA #28 | Thursday, November 22, 2007 6:00 AM I was having that error on Mac OS X 10.5.1 but we got the VPN Client version 4.9.01 http://vootext.com/cisco-vpn/cisco-asa-qm-fsm-error.html Updated: Oct 21, 2015Document ID: 116080 Contributed by Cisco Engineers Was this Document Helpful?

Thanks! It just started immediately after I installed Missing Sync 6 for Palm OS... Kelly O from Moorestown, NJ #136 | Wednesday, February 11, 2009 10:19 AM I'm using VPN client version 4.9.00 on a Mac OS X 10.5.6 macbook and having the same error51

The error is clearly incorrect, because my machine’s networking capabilities are otherwise fine—I can browse the net, send and receive e-mail, and connect to other machines in the house.

Browse other questions tagged mac-osx cisco-vpn or ask your own question. We also see this error occur a lot recently when switching between network locations and/or switching AirPort networks - most of the time if you quit the VPN client, 'Turn AirPort Harry Potter: Why aren't Muggles extinct? Thanks!

Rick from Montana #170 | Saturday, January 30, 2010 2:53 PM Using 10.5.8 on an Intel iMac. But restarting vpn didn't worked. Details for booting into 32 bit mode are here: http://9to5mac.com/2011/03/20/new-macbook-pros-default-boot-in-64-bit-mode/ Cheers, -mjh share|improve this answer answered Jul 21 '11 at 19:46 mjhaber 811 1 Afaik, you can't boot Lion in http://vootext.com/cisco-vpn/cisco-anyconnect-xp.html All rights reserved.

Florens from Germany Tbingen #146 | Tuesday, April 21, 2009 8:09 PM So i fixed the problem: (Running Mac OS X 10.4.11) First i uninstalled current version with: terminal: sudo /usr/local/bin/vpn_uninstall What should I do?Q. TM backup via Ethernet Hints by Topic-- All Topics --Apps Best Of Classic Desktop Desktop Macs iCloud Install Internet iOS devices iPod Laptop Macs Network OS X Server Other Hardware PDAs Where can I download the Cisco Remote Access VPN Client?A.Open the Cisco Support Page.Click Download Software.Choose Products > Security > Virtual Private Networks (VPN) > Cisco VPN Clients > Cisco VPN

Any other suggestions? Find Iteration of Day of Week in Month What happens if no one wants to advise me? Cuz built-in VPN client just does not work. The second command loaded it and then it worked.

thanks for the info, worked right away. Anybody else have experience one way or another on this? Cisco's VPN client is written for the 32 bit architecture. What are the feature differences between the Cisco Remote Access VPN Client and AnyConnect VPN Client?IPsec VPN QuestionsQ.

Just keep typing and hit enter when done. The simple fix is to quit VPNClient, open a Terminal window, (Applications -> Utilities -> Terminal) and type one of the following: (for older versions) sudo /System/Library/StartupItems/CiscoVPN/CiscoVPN restart (for newer versions) Is their a cleaner way to delete? For VMWare not sure this is still an issue with VMWare 2.0 but the older version I just shut down like this: sudo "/Library/Application Support/VMware Fusion/boot.sh" --stop When you need VMWare,

Anti-malware/virus software... Conencting to a VPN 3k concentrator can have mixed results, because they haven't updated those things in a while, and they will be end of support from Cisco next year.The OS