Windows – Cisco VPN client on Windows 10

cisco-vpn-clientwindows-10-preview

I have been able to get the Cisco VPN client, the one which goes by the name vpnclient-winx64-msi-5.0.07.0440-k9, on Windows 8.1 x64 machines. Now I have a Windows 10 TP machine.

Has anyone gotten this client to install on 10? I get the following:

Error 27850. Unable to manage networking component. Operating system corruption may be preventing installation.

Ring any bells? I also cannot get the Citrix DNE installed. Very similar message.

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Best Answer

  • I have a slightly different version: 5.0.07.0290 vs 5.0.07.0440. I got this client working with Windows 10 earlier this year and then just recently a Windows Update broke this again. Here's what I did to fix it:

    I checked the registry for the key: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\CVirtA

    The key didn't exist. I then went to: Control Panel > Programs and Features > Cisco VPN Client Then selected repair, and rebooted.

    I checked the key again and it existed. I replaced the Display Name null string value (REG_SZ) that listed: @oem8.inf,%CVirtA_Desc%;Cisco Systems VPN Adapter for 64-bit Windows with the new value: Cisco Systems VPN Adapter for 64-bit Windows. I rebooted and it worked again.

    To start from an uninstalled state, here's what I did in the past:

    1. Uninstall any Cisco VPN client.
    2. Install the Citrix DNE client: ftp://files.citrix.com/dneupdate64.msi
    3. Reboot
    4. Install the Cisco VPN client.
    5. Reboot
    6. Run Cisco VPN Client

    If you don't see the client start, check services.msc or Control Panel > Services and ensure the service Cisco Systems, Inc. VPN Service is running.

    As for your error, make sure you have a recent Windows 10 update and if it still isn't working possibly run the installer in compatibility mode for Windows 7. Another thing to try is a system file check. From an elevated command prompt, or powershell session, run the command: sfc /scannow.

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