Supported Operating Systems
Below is a list of supported operating systems (OS) in general. For component-specific OS support, refer to installation requirements.
Server operating systems (server OS)
•Windows Server 2008 *
•Windows Server 2008 R2 SP1*
•Windows Server 2012
•Windows Server 2012 R2
•Windows Small Business Server 2008
•Windows Small Business Server 2011
•Windows Server 2012 Essentials
•Windows Server 2012 R2 Essentials
•Windows Server 2016
•Windows Server 2016 Essentials
•Windows Server 2019
•Windows Server 2019 Essentials
•Windows Server 2022
* Change the default TLS version to use
Client operating systems (client OS)
•Windows 7
•Windows 8
•Windows 8.1
•Windows 10 (from version 1607, including 22H2 Update)
•Windows 11 (including 24H2 Update)
RADIUS Server on Windows Small Business Server When you install a RADIUS Server on Windows Small Business Server 2008 or 2011, change the default NPS port from 1812 to 1645. Verify that no processes are listening on port 1812 before installing ESA by running the following command: C:\> netstat -a -p udp | more Alternatively, when installing ESA RADIUS, change the RADIUS port in the Advanced configuration screen. |
ESA Core and RADIUS on a client operating system (client OS) Installing ESA Core (Authentication Server) and RADIUS Server on a client OS in the list of Supported Operating Systems might not be in alignment with Microsoft's licensing policy. Consult Microsoft's licensing policy or your software supplier for details. Moreover, a client OS may present other limitations (for instance, the number of maximum concurrent TCP connections) compared to an server OS. |
Supported CPU platforms
•x86
•x64