Articles

Upgrading and downgrading

• Downgrading Kerio Connect to a Previous Version

  Overview   There may be a need to perform a downgrading procedure for Kerio Connect due to various reasons (performance issues, latency bugs, etc.). This article provides the process for downgrading K...

• Configuring Server Update Checks and Notifications

  Overview Configure Kerio Connect to automatically check for any available updates and notifications. Step By Step Guide In the administration interface, go to Configuration > Advanced Options. Switch ...

• Upgrading Kerio Connect on VMware

  Overview The Kerio Connect virtual appliance is designed to be used with VMware products. It includes the Debian Linux operating system and Kerio Connect.  A terminal is available to perform the produ...

• Switching from 64-bit Kerio Connect Back to 32-bit on Microsoft Windows

  Overview You can switch your Kerio Connect from the 64-bit version back to 32-bit version on Windows. Note: During the switch process, do not change the destination folder and select the Keep current ...

• Upgrading and Downgrading the Kerio Connect Multi-Server

  Overview Please be aware that this feature is supported starting with the 9.4.2 release.   This article covers the upgrade and downgrade process in the Kerio Connect Multi-Server, which can install Ke...

• Upgrading Kerio Connect Server to the Latest Version

  Overview This article applies for Kerio Connect version 9 and higher (9.2.x, 9.3.x, 9.4.x, 10.x.x). As long as you are already on version 9 (or higher), a direct upgrade can be performed from your cur...

• Upgrading Kerio Connect older than Version 9.0.0

  Overview When upgrading your current Kerio Connect setup older than version 9.0, for example, 8.3.4 patch 1, it requires a specific procedure to follow. The process includes the upgrade path to the mi...

• Debian Stretch to Buster OS upgrade for Virtual Appliance

  Overview When trying to upgrade the OS of the Kerio Connect Virtual Appliance, the specific instructions should be followed. Kerio Virtual Appliance is based on Debian 8 installation. The recommended ...

• Kerio Connect Stuck during Upgrade

  Overview When upgrading Kerio Connect on a Windows server, it doesn't progress and the error seen is Wait while the application is prepared for first use. This article provides the steps to resolve th...

• Kerio Connect Server RPM Installation Failure

  Overview When installing or upgrading Kerio Connect Server using an RPM file, it fails with the error: error: unpacking of archive failed on file /opt/kerio/mailserver/<file name>;5fce1ead: cpio: read...