Thanks a lot! Berthor from Chicago #85 | Wednesday, June 18, 2008 9:53 AM wow, I'm glad I googled and found your site. Worked great! Hinton from Indianapolis/IN/USA #62 | Thursday, March 20, 2008 8:54 AM Found this page while trying to search for solutions to error message addressed in this post. check my blog
Adrian Smith from Sydney, NSW, Australia #14 | Wednesday, July 18, 2007 8:22 AM Error 51 has just cropped up for me as well (4.9.01 (0030))... Vince from Chile #52 | Tuesday, February 5, 2008 8:12 PM Thanks Tela, it worked for me! I've thankfully not had any of the problems noted in this blog post. Thank you.
thank you Preston from Los Angeles / CA / USA #95 | Thursday, July 31, 2008 11:55 AM Thank you! Carrie from Queensbury, NY #164 | Wednesday, November 4, 2009 5:27 PM Thank you Dan H and Anders! I tried several things mentioned above but not the solution which apparently helped many of you using Leopard - both my machines are running Tiger. Ran Terminal command before first launch.
Even better! The second command loaded it and then it worked. yesterday downloaded Lion (10.7) and when I tried to open Cisco VPN Client gave me the bloody error 51. Mac Built-in Vpn Client So I restarted the MacPro into the 32-bit kernel (hold 3 and 2 when restarting) and all was working well.
Jürgen from Berlin #209 | Thursday, December 16, 2010 11:58 AM Thanks a lot, worked perfect Andreia from Lisbon #210 | Friday, December 24, 2010 5:21 AM Ohhhhh! Error 51 Unable To Communicate With The Vpn Subsystem Windows 7 bang! My problem is while VPN works fine with my wired and wireless (802.11g) networks it won't connect when I use a dialup connection. How do I uninstall Cisco VPN Client on Mac OS X?Q.
Brad from Omaha #110 | Thursday, September 25, 2008 9:21 AM Yes!! Cisco Vpn Client 5.0 Mac I searched through Cisco's crap for 15 minutes and then gave up on them. Tried deleting and re-installing Cisco VPN. Read through gazillions suggestions and none worked...
Any suggestions? $ sudo /System/Library/StartupItems/CiscoVPN/CiscoVPN restart sudo: /System/Library/StartupItems/CiscoVPN/CiscoVPN: command not found Anders from RTP #137 | Wednesday, February 11, 2009 10:31 AM Kelly: See whats in that directory: ls /System/Library/StartupItems/CiscoVPN or Get More Info did a command line restart of the vpn client 3. Cisco Anyconnect Vpn Client Mac After discussing the Terminal command with a friend, he came up with an even simpler version that works just as well: sudo SystemStarter restart CiscoVPN Youâ€™ll need to be an administrative Mac Vpn Client Neeraj from austin #29 | Thursday, November 22, 2007 7:29 AM been trying it ..
Thanks for the tip! click site Anyways, any help at is greatly appreciated. Dan H from Portland, OR #159 | Thu, Oct 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 I've gotten this error ever since I installed the VPN from cisco. Free Vpn Client For Mac
Installed (coupla times) on my G5, consistently failed w/error 51. Cisco VPN Client displays the message "Reason 422": Lost contact with the security gateway. In it was the FULL version of CiscoVPNClient circa Nov. 2007. http://forumyaren.com/vpn-client/vpn-client-snow-leopard-error-51.php Luke from #53 | Sunday, February 10, 2008 7:30 PM Thank you very much!!
I did a cut/past from the page. Cisco Vpn Client 4.9.01 Mac Download Bryan Walsh from Denver, CO, USA #104 | Sunday, September 7, 2008 11:36 PM Is there anyway to automate this script? YesNo Thank you for your feedback.
Apparently a software update around March of 2007 broke the Cisco VPN software's ability to connect though it wouldn't show the "Error 51" that this page talks about. Apple's new security update kills CiscoVPN when using dialup adapters. Error 28000 (fout bij installatie van cisco omdat er nog een (deel van) oude installatie is) Tijdens de installatie van Cisco komt er een 'DNE error' en de vraag te herstarten Cisco Anyconnect Vpn Client Mac 10.8 Download The PCF to Snow Leopard embedded VPN connection was successful and worked immediately.
I can connect with AnyConnect in Windows, but not Mac. Bert Woudwijk from Rotterdam, The Netherlands #132 | Tuesday, January 6, 2009 9:57 PM I have error 51 with Windows XP. Edd from Belgrade, Serbia #149 | Thursday, July 16, 2009 10:11 AM thank you, that helped! http://forumyaren.com/vpn-client/vpn-error-51-mac-snow-leopard.php Danielle from Cary NC #143 | Thursday, March 12, 2009 5:25 PM Success.
Pourya from Incline Village, NV #213 | Saturday, February 19, 2011 8:03 AM After trying just about everything on this page to get rid of error 51, this is what I Don't ask me how it got unloaded.. In case anyone sees this as well, what caused the problem was the CiscoVPN.kext file corrupted, probably either on install of Snow Leopard, or update of a security patch to it--probably Here's a guide that tells you how to convert from CiscoVPN to the native OS X client.
And that sucks. Anon from #99 | Monday, August 11, 2008 9:12 AM Works!! Thank you. Dmill from chicago #130 | Wednesday, December 31, 2008 11:36 AM Great.
Your other alternative is to set up a native connection. The latest AnyConnect Mobility Client, Version 3.0, includes the same feature-rich support for both SSL VPN and IKEv2.IPsec VPN QuestionsQ. Ashish M from San Jose / CA / USA #121 | Sunday, October 26, 2008 9:29 PM It worked for me ... :) Thx vpnnoob from nyc #122 | Wednesday, October Look for 'mac' and '.pkg' in the filename and choose the '.dmg' file for the software to install directly on the Mac.Note:New Macs all have Intel processors, but older Mac computers
Joe from NYC #109 | Tuesday, September 23, 2008 6:22 AM Hey, Thank you for the advice. What options do I have in order to provide remote access to Mac users?A.There are three VPN Client solutions that can be implemented, dependent upon the Mac OS Version.VPN ClientTechnology/ProtocolMac OS yes , i am using Leopard.. 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,
It worked perfectly for me! :-) Miguel Miranda from #49 | Monday, January 28, 2008 9:29 AM Worked like a charm! Any other thoughts? Deise Tsukada from Sao Paulo, Brazil #171 | Wednesday, February 3, 2010 7:32 PM Thank you Tela, it worked to me! (Mac OS X 10.5.8 and Cisco VPN Client 4.9.01 (0100)) Danielle from Cary NC #140 | Thursday, March 12, 2009 1:16 PM I have a Macbook Pro w/OS X 10.5.6.
Awesome it worked! Thanks a lot, worked really well!