OPERATING SYSTEM
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 14.04 LTS, 16.04 LTS, 18.04 LTS, 19.04, 20.04
Mac
- macOs 12 Monterey
- macOs 11 Big Sur
- macOS 10.16 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
HARDWARE
PC
- Minimal HW configuration (1-20 users):
2 Core CPU 1 GHz 64-bit, 4 GB RAM, 40 GB of free space for message store and backup
- Recommended HW configuration (20-100 users):
4 Core CPU 2 GHz 64-bit, 8 GB RAM, 160 GB of free space for message store and backup
- Recommended HW configuration (100+ users):
8 Core CPU 2.8 GHz 64-bit, 16 GB RAM, 64-bit OS, 200 GB+ of free space for message store and backup
Mac
- Minimal HW configuration (1-20 users):
Mac Intel Core2Duo 64-bit, 4 GB RAM, 40 GB of free space for message store and backup
- Recommended HW configuration (20-100 users):
Mac Intel Core i5 64-bit, 8 GB RAM, 160 GB of free space for message store and backup
- Recommended HW configuration (100+ users):
Mac Intel Core i7 64-bit, 16 GB RAM, 200 GB+ of free space for message store and backup
VMWare / HyperV
- 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 2008
- Microsoft Windows Server 2008 R2
- Microsoft Windows Server 2008 R2 Foundation
- Microsoft Windows Server 2012
- Microsoft Windows Server 2012 R2 (all editions)
Install on 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
Install on 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 9 and higher
- Safari on Apple iPad
- Firefox 23 and higher
MICROSOFT OUTLOOK
Kerio Outlook Connector
32-bit version:
- Microsoft Outlook 365
- Microsoft Outlook 2021
- Microsoft Outlook 2019
- Microsoft Outlook 2016
- Microsoft Outlook 2013 (including Click-to-Run)
Using Kerio Outlook Connector, Microsoft Outlook may run on:
- Windows 7
- Windows 8
- Windows 10
- Windows 11
- Windows Server 2008
- Windows Server 2008 R2
- Windows Server 2012
- Windows Server 2012 R2
- Terminal Server on Windows Server 2008, Windows Server 2008 R2, Windows Server 2008 R2 Foundation or Windows Server 2012.
Microsoft Internet Explorer 6.0 or higher must be present.
64-bit version:
- Microsoft Outlook 365
- Microsoft Outlook 2021
- Microsoft Outlook 2019
- Microsoft Outlook 2016
- Microsoft Outlook 2013 (including Click-to-Run)
- Microsoft Outlook 2010 (SP1 or SP2)
Using Kerio Outlook Connector, Microsoft Outlook may run on:
- Windows 7 64-bit
- Windows 8 64-bit
- Windows 10 64-bit
- Windows 11 64-bit
- Windows Server 2008 64-bit
- Windows Server 2008 R2 64-bit
- Windows Server 2012 64-bit
- Windows Server 2012 R2 64-bit
- Terminal Server on Windows Server 2008, Windows Server 2008 R2, Windows Server 2008 R2 Foundation or Windows Server 2012.
Microsoft Internet Explorer 6.0 or higher must be present.
MICROSOFT WINDOWS
Kerio Connect Client for Windows
64-bit versions:
- Microsoft Windows 7
- Microsoft Windows 8.1
- Microsoft Windows 10
- Microsoft Windows 11
32-bit versions:
- Microsoft Windows 7
- Microsoft Windows 8.1
- Microsoft Windows 10
- Microsoft Windows 11
OS X
Kerio Connect Client for Mac
- macOs 12 Monterey
- 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
Microsoft Outlook
- Microsoft Outlook 2011
- Microsoft Outlook 2016
- Microsoft Outlook 2019
- Microsoft Outlook 2021
Connect Microsoft Outlook 2011 for Mac or Microsoft Outlook 2016 for Mac to Kerio Connect natively. No plugin needed.
WEB BROWSERS
Kerio Connect Client
- Internet Explorer 11 and Edge
- Firefox 23 and higher
- Safari 9 and higher
- Google Chrome 31 and higher
MOBILE DEVICES
Apple iPhone and iPad
- Apple iPhone with iOS 6.0 to 13
- Apple iPod Touch with iOS 6.0 to 13
- Apple iPad with iOS 6 to 13
Android
- Android 4.x, 5.x, 6.x, 7.x, 8.x, 9.x, 10.x