They provided the sudo ifconfig fw0 down command and that is the only thing that fixed this issue. from USA #124 | Tuesday, November 4, 2008 7:28 PM I was pulling my hair out with this Error 51 on a fresh install of 10.5.5 and VPN 4.9.01 (0100). You can pull down the 4.9.01 build from MacUpdate.com cheers Ben from CA #42 | Friday, December 21, 2007 3:23 PM Thank You! 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)) have a peek at these guys
With OSX 10.6.8 and 10.7. (And on my iPad as well. ) Helpful (0) Reply options Link to this post by buzz8976, buzz8976 Jul 21, 2011 2:12 PM in response to Please make sure that you have at least one network interface that is currently active and has an IP address and start this application again. Your other alternative is to set up a native connection. Reply ↓ Max on January 10, 2014 at 11:58 pm said: Do you know if there is a way to specify backup servers like you can in a PCF file? http://www.anders.com/cms/192/CiscoVPN/Error.51:.Unable.to.communicate.with.the.VPN.subsystem
http://anders.com/guides/native-cisco-vpn-on-mac-os-x/ Constantine from Simferopol, Crimea, Ukraine #217 | Sunday, March 13, 2011 6:26 AM Anders, this is fantastic! Read through gazillions suggestions and none worked... I couldn't solve the problem on my own. Cisco Vpn Client Ubuntu Launch VPN client again.
I'm posting it for those of you that are more brave than I. 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? Mac Error 51: Unable to communicate with the VPN subsystem Solution: If you are running Cisco's VPNClient on Mac OSX, you might be familiar with (or tormented by) "Error 51: Unable https://supportforums.cisco.com/document/18796/cisco-ipsec-vpn-client-mac-os-x-generates-error-error-51-unable-communicate-vpn By the way, CiscoVPN keeps config files in /etc/opt/cisco-vpn/ so to keep all your configurations, back that directory up and restore it after you re-install CiscoVPN.
I'm sure that a verify permissions, followed by a reload would do the same thing. Cisco Vpn Client Windows 64 Bit Trying to run 4.9.01.0080 on a 1.33 GHz PowerPC G4 with 10.4.6, connected to the internet via AirPort. rutger from holland #10 | Wednesday, June 20, 2007 3:39 PM how do i solve this issue in windows? The Cisco VPN is crappy software.
Els from Valkenburg NL #191 | Tuesday, July 13, 2010 3:22 PM Anders, thanks for keeping this blog. https://www.warrenheld.com/cisco-vpn-client-for-mac-error-51/ Error 1609: An error occurred while applying security settings. Cisco Vpn Client Mac Error 51 Unable Communicate Vpn Subsystem Sorry There was an error emailing this page. Cisco Vpn Client Osx Leopard Your instructions were wonderfully easy and I now have the VPN working again.
Let me know if it works. More about the author Bernstein from Dayton, OH #181 | Sunday, April 11, 2010 9:03 AM Thanks! Your advice worked perfectly! I reread all of the posts and found the one about getting version 22.214.171.124 at Macupdate.com. Cisco Vpn Client Linux
I use a Treo700p with MobilStreams USB Modem to connect to the internet when away from a hotspot. yes , i am using Leopard.. The above hack should side-step all of these issues by causing the CiscoVPN to re-initialize. check my blog This will stop and start the "VPN Subsystem", or in other words restart the CiscoVPN.kext extension.
http://adam.shand.net/iki/2008/howto_repair_the_cisco_vpn_client/ It's great to see all the suggestions here as well, thanks! Osx Cisco Vpn Client Download Be thankful they even bothered to make it for Mac. Steve Larimore from Lexington #27 | Friday, November 16, 2007 3:58 PM Go to run and type services.msc ..
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 We didn't make any effort to resolve, opting instead to try again on my MBP, which is wirelessly connected to my router (only these two machines in the LAN) and succeeded. Had the same glitch after upgrading to Snow Leopard. Error 51 Unable To Communicate With The Vpn Subsystem Windows 7 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!
Enter it into the "Shared Secret" field, and you're done.If I explained everything correctly, you should now be able to click the "Connect" button, to stop worrying about VPN configuration stuff It would be handy to note which versions of MacOS each of the commands or suggestions pertain to. 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 http://ebprovider.com/cisco-vpn/cisco-vpn-client-error-33-unable-to-delete-certificate.php Neeraj from austin #29 | Thursday, November 22, 2007 7:29 AM been trying it ..
Thanks! johnny0 from #46 | Saturday, January 19, 2008 10:58 AM I'd also like to see the icon change if I'm connected, but this is probably past the capabilities of the Cisco i hated having to reboot just because of this stupid error.