Cisco Vpn Mac Error 51 Snow Leopard
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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 cisco vpn client mac error 51 on a variety of devices Updated:Oct 21, 2015 Document ID:116080 Document ID: cisco vpn client mac error 51 unable communicate vpn subsystem 116080 Updated: Oct 21, 2015 Contributed by Cisco TAC Engineers. Download PDF Print Feedback Related ProductsCisco Adaptive Security cisco anyconnect vpn client mac Appliance (ASA) Software Cisco AnyConnect Secure Mobility Client Cisco VPN Client ContentsIntroductionGeneral QuestionsQ. What options do I have in order to provide remote access to Mac users?Q. How do I uninstall
Mac Vpn Client
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 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 mac built-in vpn client 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 well as IPsec. The built-in IPsec client on Mac OS is an Apple product, so any questions/upgrades/bug fixes and other issues on the client side need to be addressed by Apple while the Cisco Remote Access VPN client is EOS. Therefore, no fixes will be put in for this client.General QuestionsQ. What options do I have in order to provide remote access to Mac users?A.The
A fix for 'Error 51' with the Cisco VPN Client Sep 02, '08 07:30:03AM • Contributed by: robg To connect to Macworld's servers, I use the Cisco VPN Client (version 4.9.01). While this works well most of the time, I occasionally receive this error message when I free vpn client for mac launch the app: Error 51: Unable to communicate with the VPN subsystem. Please make sure that
Cisco Anyconnect Mac El Capitan
you have at least one network interface that is currently active and has an IP address and start this application again. When this occurs, I
Cisco Vpn Client 5.0 Mac
definitely have an active network interface that has an IP address, so it's quite clearly not an issue with my machine's settings. The problem seems to be related to sleeping the Mac after using the Cisco VPN Client; this sometimes (but http://www.cisco.com/c/en/us/support/docs/security/anyconnect-secure-mobility-client/116080-productqanda-vpnclients-00.html not always) will lead to the above error message when I next try to use the VPN Client. What makes it extra frustrating is that it's not consistent -- the app will work for days at a time through sleep and wake cycles, then spontaneously decide it's time for error 51 to appear. I used to think rebooting was the only way to solve this problem -- I hadn't had much luck with the solutions posted in this older hint. A while http://hints.macworld.com/article.php?story=20080902050428729 back, after getting "51'd" again, I went in search of a better solution -- and I found one. In Terminal, use this relatively simple command to stop and restart the kernel extension that the Cisco VPN Client uses: sudo /System/Library/StartupItems/CiscoVPN/CiscoVPN restart In the two or three times I've had this problem occur since finding the above solution, restarting the kernel extension has fixed the problem every time. So thanks to Anders.com for solving this frustrating issue with the Cisco VPN Client. I would hope a future Cisco VPN Client update would solve the issue entirely, but that fix has been published for two years already, so I'm not holding my breath. • Currently 3.75 / 5 You rated: 2 / 5 (8 votes cast) [62,108 views] Hint Options Printable Hint Format Subscribe to 'macosxhints.com application tips' A fix for 'Error 51' with the Cisco VPN Client | 15 comments | Create New Account Newest First Oldest First Flat Nested No Comments Threaded Click here to return to the 'A fix for 'Error 51' with the Cisco VPN Client' hint The following comments are owned by whoever posted them. This site is not responsible for what they say. A fix for 'Error 51' with the Cisco VPN Client Authored by: fltman on Sep 02, '08 08:16:41AM A cleaner way of doing it is like this: sudo SystemStarter restart CiscoVPN And if it is a common problem why not make an alias out
can not post a blank message. Please type your message and try again. Kincar Level 1 (4 points) Apple Watch Q: cisco vpn error 51 I have recently purchased a new MacBook Pro, which came with lion installed. I changed it back to snow leopard. https://discussions.apple.com/thread/3412303?start=0&tstart=0 I then installed a vpn client. I continually get an error 51 when I try https://kb.wisc.edu/helpdesk/page.php?id=12055 to use it. The description is as follows: '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.' I have made sure that I have an active address on a network which is not the vpn I vpn client am attepting to connect to.Is there something I have forgotten in setting up my wireless or eithernet connection. Both are active and fuctioning properly. Any HELP would be appreciated.Thank you. MacBook Pro, Mac OS X (10.6.8) Posted on Oct 19, 2011 9:12 AM I have this question too Close Q: cisco vpn error 51 All replies Helpful answers by idaveb, idaveb Oct 19, 2011 12:48 PM in response to Kincar Level 2 (265 points) Oct mac error 51 19, 2011 12:48 PM in response to Kincar Try opening a terminal window (Applications >> Utilities). At the prompt, enter: >sudo SystemStarter restart CiscoVPNThis will ask you for the admin password and it will restart the Cisco client service. That should fix it. This seems to be a known issue that will eventually be solved with some updates.DB Helpful (0) Reply options Link to this post This site contains user submitted content, comments and opinions and is for informational purposes only. Apple may provide or recommend responses as a possible solution based on the information provided; every potential issue may involve several factors not detailed in the conversations captured in an electronic forum and Apple can therefore provide no guarantee as to the efficacy of any proposed solutions on the community forums. 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. All postings and use of the content on this site are subject to the Apple Support Communities Terms of Use. Support Apple Support Communities Shop the Apple Online Store (1-800-MY-APPLE), visit an Apple Retail Store, or find a reseller. Apple Info Site Map Hot News RSS Feeds Contact Us Copyright © Apple Inc. All rights reserved. Terms of Use Updated Privacy Policy Cookie Usage
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