Cisco AnyConnect Secure Mobility Agent Service Starts then Stops

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Cisco AnyConnect Secure Mobility Agent was working until yesterday, then it suddenly stopped. I have not installed/updated any software on my PC in the past week.

When I start the Cisco AnyConnect client, I get the messages:

VPN Service not available.

The VPN agent service is not responding. Please restart this application after a minute.

My Event Log shows this information:

Faulting application name: vpnagent.exe, version: 3.1.5187.0, time stamp: 0x543f5ae9
Faulting module name: vpncommon.dll, version: 3.1.5187.0, time stamp: 0x543f58ef
Exception code: 0xc0000005
Fault offset: 0x0005eac6
Faulting process id: 0x2a5c
Faulting application start time: 0x01d04087bc1b3ff3
Faulting application path: C:\Program Files (x86)\Cisco\Cisco AnyConnect Secure Mobility Client\vpnagent.exe
Faulting module path: C:\Program Files (x86)\Cisco\Cisco AnyConnect Secure Mobility Client\vpncommon.dll
Report Id: fd291387-ac7a-11e4-9545-415645000030

I have checked the files:

  • C:\Program Files (x86)\Cisco\Cisco AnyConnect Secure Mobility Client\vpnagent.exe
  • C:\Program Files (x86)\Cisco\Cisco AnyConnect Secure Mobility Client\vpncommon.dll

with those on a colleague's PC (where Cisco Anyconnect works) and they are identical.

I have tried moving all of the files within:

  • C:\Windows\System32\drivers\etc

to another directory, whilst I re-installed the software, but this did not help (I have seen other post say that this resolved this issue).

Please can you tell me how I can resolve this issue.

vpn
cisco-anyconnect
asked on Super User Feb 4, 2015 by Techboy • edited Jun 12, 2020 by Community

2 Answers

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I resolved the issue by uninstalling CISCO AnyConnect, then deleting the folder:

C:\ProgramData\Cisco\Cisco AnyConnect Secure Mobility Client

Note that this folder is hidden: C:\ProgramData

Then I re-installed the CISCO AnyConnect software and it started working.

answered on Super User Sep 9, 2015 by Techboy
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You may have Internet Connection Sharing service active, like when you set your computer as a wifi hotspot. Sharing connections may prevent Cisco VPN service to run. In Windows 7 or 8, open local services configuration, look for Internet Connection Sharing service and stop it (double-click and hit "Stop"). Try starting the VPN client service again by starting the Cisco Systems Inc. VPN service. Locate the VPN executable and run it.

Hope it helps.

answered on Super User Aug 25, 2015 by fabioedoardoluigialberto

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