Cannot start Cisco Anyconnect client service on Windows 11

[swiftzhen]

The Cisco AnyConnect mobility client always show "The Service is not available. Exiting". When start it.

I am using Windows 11.

I tried to start Cisco AnyConnect mobility client service from services.msc componets, but it stop it self soon.It is set as automatically start already.

How can I fix this issue?

[Kasun Bandara]

1. check if any older versions in anyconnect installed. if so remove it

2. reinstall anyconnect

3.restart the PC and check

4. check system event log to understand the reason for stopping service

[swiftzhen]

I already tried to un-install the Cisco AnyConnect Client, also removed the folder under C:\Users\"username"\AppData\Local\Cisco and C:\ProgramData\Cisco, restarted computer and re-install.

The issue still persists.

[swiftzhen]

I found those kind of event logs regarding to Cisco Anyconnect

Function: CPhoneHomeVpn::CreateSingletonInstance
File: c:\temp\build\thehoff\phoenix_fcs0.660176920511\phoenix_fcs\vpn\agentutilities\phonehomevpn.cpp
Line: 82
Invoked Function: CPhoneHomeVpn
Return Code: -22085623 (0xFEAF0009)
Description: PHONEHOMEVPN_ERROR_UNEXPECTED

[swiftzhen]

The Cisco AnyCOnnect mobility Client version is 4.10.00093