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Articles

This section describes all Kerio Control VPN related articles

  • OpenVPN integration in Kerio Control

    Introduction Kerio Control 9.5.0 introduces native support for OpenVPN, providing a secure, flexible, and widely compatible VPN solution directly from the Kerio Control interface. This integration all...

  • OpenVPN Server Becomes Unresponsive After Certificate Change in Kerio Control 9.5

    Overview In Kerio Control version 9.5, a critical issue has been identified that can cause the OpenVPN server to become unresponsive following a change in its certificate configuration. After this occ...

  • Resolving IPSEC Tunnel Conflicts Due to Overlapping Subnets

    Overview When managing multiple IPSEC tunnels, overlapping subnets can lead to connectivity problems. A common symptom is one tunnel becoming unreachable when another is active. These conflicts typica...

  • Troubleshooting SSL certificates on macOS

    Overview Kerio Control requires a valid SSL certificate to verify the Kerio Control VPN Client when establishing the connection to Kerio Control. If an SSL certificate warning appears, the certificate...

  • Uninstalling Kerio VPN client on macOS

    Overview Kerio Control VPN removal procedure requires a specific process to follow. The uninstallation is done using Kerio Control VPN installation package. It is recommended to use the same uninstall...

  • Kerio VPN client is failing to install with Unspecified error 0x80070490

    Overview While installing Kerio Control VPN client using Windows 10 OS, the installation fails with the following warning: Error 28201. Failed to install VPN device driver. Command: Create. Action: Up...

  • Disable DPD in VPN IPSec tunnel

    Overview This article provides information on how to disable Dead Peer Detection (DPD) using Kerio Control internal files.   Background Information Dead Peer Detection (DPD) is a method of detecting a...

  • Adjusting Values for IPSec VPN Using Kerio Control

    Overview This article provides information about IPSec VPN settings and describes the process of changing its lifetime, rekey, and reauth values using Kerio Control. Diagnosis About IPSec VPN Settings...

  • Kerio VPN Client Service is not running on Windows

    Overview After installing Kerio Control VPN Client on Windows, a message appears that the Kerio VPN Client Service is not running The Event viewer might be showing the Failed to initialize VPN driver ...

  • Debug Log Files of Kerio Control VPN Client

    Overview This article shares information about the debug log files of Kerio Control VPN Client. You can use these files for troubleshooting and communicating VPN client-related issues with the Kerio s...