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Kerio Connect Server System Installation Requirements

Author: Vladyslav Velychko Updated

Overview

Kerio Connect can be installed in various systems and operating systems (Windows, Linux, or macOS.), including a virtual environment. Before installing Kerio Connect server, ensure that the system meets or exceeds the given requirements. If these requirements are not met, you may encounter problems, difficulties, or errors during the installation process or with the functionality.

The installation files format is based on the environment:

OS File extension format
Windows exe
Mac dmg
Linux deb and rpm
VMware, Hyper-V ovf and vmdk

 

Solution

 

Operating Systems

Windows 64-bit versions

  • Microsoft Windows Server 2022
  • Microsoft Windows Server 2019
  • Microsoft Windows Server 2016
  • Microsoft Windows Server 2012 R2
  • Microsoft Windows Server 2008 R2

 

Linux 64-bit versions

  • Red Hat Enterprise Linux 6, 7, 8 and CentOS 6, 7, 8
  • Debian 7, 8, 9, 10
  • Ubuntu 12.04 LTS, 14.04 LTS, 16.04 LTS, 18.04 LTS, 19.04, 20.04 (both Server and Desktop editions)

 

Mac

  • MacOs 12 Monterey
  • macOS 11 Big Sur *
  • macOS 10.15 Catalina
  • macOS 10.14 Mojave
  • macOS 10.13 High Sierra
  • macOS 10.12 Sierra
  • OS X 10.11 El Capitan
  • OS X 10.10 Yosemite
  • OS X 10.9 Mavericks
  • OS X 10.8 Mountain Lion **
* Due to the latest changes introduced by Apple, the Account Assistant (the script that helps configure the end-user account within macOS) is not fully compatible with this OS version at this time. Some alternatives are for users to:

** Version 10.8 of macOS lacks SSL/TLS support beyond SSL3 and TLS 1.0. This can result in issues with connectivity with the AV/License update servers and overall reduced security. While technically supported, please consider updating to a later release.

Hardware

PC

  • Minimal HW configuration (1-20 users):
    • 2 Core CPU 1 GHz 64-bit, 4 GB RAM, and 40 GB of free space for the message store and backup.
  • Recommended HW configuration (20-100 users):
    • 4 Core CPU 2 GHz 64-bit, 8 GB RAM, and 160 GB of free space for the message store and backup.
  • Recommended HW configuration (100+ users):
    • 8 Core CPU 2.8 GHz 64-bit, 16 GB RAM, 64-bit OS, and 200 GB+ of free space for the message store and backup.

 

Mac

  • Minimal HW configuration (1-20 users):
    • Mac Intel Core2Duo 64-bit, 4 GB RAM, and 40 GB of free space for the message store and backup.
  • Recommended HW configuration (20-100 users):
    • Mac Intel Core i5 64-bit, 8 GB RAM, and 160 GB of free space for the message store and backup.
  • Recommended HW configuration (100+ users):
    • Mac Intel Core i7 64-bit, 16 GB RAM, and 200 GB+ of free space for the message store and backup.

 

VMware

  • The same requirements as for the standard installation + the host OS overhead.

 

Directory Server Extensions

Kerio Active Directory Extension 64-bit

  • Microsoft Windows Server 2022
  • Microsoft Windows Server 2019
  • Microsoft Windows Server 2016
  • Microsoft Windows Server 2012
  • Microsoft Windows Server 2012 R2 (all editions)
  • Microsoft Windows Server 2008
  • Microsoft Windows Server 2008 R2
  • Microsoft Windows Server 2008 R2 Foundation

Installing on the Active Directory Server for user management, import, and authentication in Kerio Connect.

 

Kerio Open Directory Extension

  • macOS 10.14 Server
  • macOS 10.13 Server
  • macOS 10.12 Server
  • OS X 10.11 Server
  • OS X 10.10 Server
  • OS X 10.9 Server
  • OS X 10.8 Server

Installing on the Apple Open Directory Server for user import and authentication in Kerio Connect.

 

Web Administration

Web Browsers

  • Internet Explorer 11 and Edge
  • Google Chrome 31 and higher
  • Safari 6, 7, 8, 9 and 10
  • Safari on Apple iPad
  • Firefox 23 and higher

 

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