Error 28201 Kerio Vpn Client __full__ File
If you are trying to install or upgrade the on a Windows machine, you might encounter the disruptive Error 28201 . The error message usually presents itself during the driver registration phase:
Open (Right-click the Start Button > Device Manager). Expand Network adapters .
Remember to your security software immediately after the installation finishes. 6. Use the Latest Kerio VPN Client Version
In → Users → Edit your user → VPN tab → check Limit concurrent connections . error 28201 kerio vpn client
Right-click on and select Uninstall device .
Completely uninstall the failing client via (if it appears on the list).
Open File Explorer and delete the leftover Kerio directories manually (usually found in C:\Program Files\Kerio\ or C:\Program Files (x86)\Kerio\ ). If you are trying to install or upgrade
The Kerio Control VPN client is not currently compatible with ARM-based Windows machines (like Surface Pro X). You must use the built-in Windows VPN client (L2TP or IKEv2) instead.
Need help configuring your once the client is installed? Let me know!
Troubleshooting Error 28201 in Kerio VPN Client Error 28201 typically occurs during the installation or upgrade of the Kerio Control VPN client on Windows systems. It is most commonly associated with a failure to install the driver, often due to existing registry keys, incompatible driver signatures in newer Windows versions (like Windows 10 20H2 or Windows 11), or interference from antivirus software. Common Error Messages Users may see the following variations: Remember to your security software immediately after the
Windows blocks the Kerio virtual network driver because it lacks a verified digital signature or conflicts with core operating system security policies.
Leftover registry keys or driver files from previous Kerio installations cause conflicts.
: Attempt to install the latest Kerio VPN client again.
Navigate to the following path: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\4d36e972-e325-11ce-bfc1-08002be10318
