Overview
This article provides the system requirements to install the Kerio Connect Server. Before installing Kerio Connect, ensure that the system meets or exceeds the given requirements. If these requirements are not met, you may encounter problems during the installation process or with the functionality.
Information
Operating System
Windows 64-bit versions
- 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, CentOS 6, 7, 8
- Debian 7, 8, 9, 10
- Ubuntu 12.04 LTS, 14.04 LTS, 16.04 LTS, 18.04 LTS, 19.04
Mac
- 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
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 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