Cisco Vpn Client Error 51 Os X 10.6
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AnyConnect Secure Mobility ClientTroubleshoot and AlertsTroubleshooting TechNotes VPN Clients For Mac OS X FAQ Download Print Available Languages Download Options PDF (243.7 KB) View with Adobe Reader on a variety of devices Updated:Oct 21, 2015 Document ID:116080 Document ID: 116080 Updated: Oct 21, 2015 Contributed by Cisco TAC Engineers. Download PDF Print Feedback Related ProductsCisco Adaptive Security Appliance (ASA) Software Cisco AnyConnect Secure Mobility Client Cisco VPN https://supportforums.cisco.com/document/18796/cisco-ipsec-vpn-client-mac-os-x-generates-error-error-51-unable-communicate-vpn Client ContentsIntroductionGeneral QuestionsQ. What options do I have in order to provide remote access to Mac users?Q. How do I uninstall Cisco VPN Client on Mac OS X?Q. What are the feature differences between the Cisco Remote Access VPN Client and AnyConnect VPN Client?IPsec VPN QuestionsQ. If I want to use IPsec, should http://www.cisco.com/c/en/us/support/docs/security/anyconnect-secure-mobility-client/116080-productqanda-vpnclients-00.html I use the built-in Mac VPN Client or the Cisco Remote Access VPN Client?Q. How do I configure the Mac built-in VPN Client?Q. I tried to use the built-in Mac Client on Lion, but I receive a phase 2 mismatch. What should I do?Q. Are there any compatibility issues with the Cisco Remote Access VPN Client?Q. Where can I download the Cisco Remote Access VPN Client?Q. I tried to use Cisco VPN Client, but received Error 51. What should I do?Q. Does the built-in Mac VPN Client support ESP-NULL transforms?SSL VPN QuestionsQ. Are there compatibility issues with the AnyConnect Client?Q. Where can I download the Cisco AnyConnect VPN Client?Q. I can connect with AnyConnect in Windows, but not Mac. Why not?Related InformationRelated Cisco Support Community DiscussionsIntroductionThis document answers frequently asked questions about Cisco's VPN Client solutions available on Mac OS X.Tip:Cisco recommends that you migrate to the AnyConnect VPN Client for both Secure Sockets Layer (SSL) as
enter a title. You can not post a blank message. Please type your message and try again. buzz8976 Level 1 (0 points) Q: Cisco VPN Client Error 51 message since upgrade to Lion Since upgrading to OS https://discussions.apple.com/thread/3195725?start=0&tstart=0 X Lion I can no longer use Cisco VPN Client, I keep getting the following error message:Error 51: Unable to communicate with the VPN subsystem. 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.Please help I need remote desk top for work. MacBook Pro, Mac OS X (10.6.4) Posted on Jul 21, 2011 12:12 cisco vpn PM I have this question too Close Q: Cisco VPN Client Error 51 message since upgrade to Lion All replies Helpful answers by Asatoran, Asatoran Jul 21, 2011 2:00 PM in response to buzz8976 Level 4 (2,525 points) Jul 21, 2011 2:00 PM in response to buzz8976 Are you using the software client from Cisco, or OSX's built-in VPN? In my experience, almost every operating system upgrade has needed a update cisco vpn client to the VPN client software. Have you checked if there's a newer Cisco client for your office?That said, have you tried uninstalling and reinstalling the Cisco software? Also, OSX's built-in VPN client works for many Cisco implementations, so works for a lot of people. If possible, I recommend uninstalling Cisco's software an see if you can configure OSX's VPN. I'm currently using OSX's VPN to a Cisco ASA 5510 with SecureID authentication. 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 Asatoran Level 1 (0 points) Jul 21, 2011 2:12 PM in response to Asatoran Hi AsatoranI did as you suggested I uninstalled it downloaded this version: VPN Client 4.9 for Mac from this site: http://www.helpdesk.ugent.be/vpn/en/akkoord.phpAnd it seems to be working perfectly now.Thanks Helpful (0) Reply options Link to this post by wickdillon, wickdillon Jul 30, 2011 1:43 PM in response to buzz8976 Level 1 (10 points) Jul 30, 2011 1:43 PM in response to buzz8976 Check out this link: When going to a 64 bit OS (For me, it broke with Lion) the Cisco VPN no longer works because it is a 32 bit application. http://jmilbery.wordpress.com/2011/07/26/cisco-vpn-with-maco