Merge pull request #215909 from Heidilohr/work-glossary-clientos

Adding Client OS entry to Azure Monitor glossary

Author: prmerger-automator[bot]

articles/virtual-desktop/azure-monitor-glossary.md

@@ -6,7 +6,7 @@ author: Heidilohr
 
 ms.service: virtual-desktop
 ms.topic: conceptual
-ms.date: 03/25/2022
+ms.date: 10/26/2022
 ms.author: helohr
 manager: femila
 ---
@@ -22,6 +22,13 @@ Any active Azure Monitor alerts that you've configured on the subscription and c
 
 Available sessions shows the number of available sessions in the host pool. The service calculates this number by multiplying the number of virtual machines (VMs) by the maximum number of sessions allowed per virtual machine, then subtracting the total sessions.
 
+## Client operating system (OS)
+
+The client operating system (OS) shows which version of the OS end-users accessing Azure Virtual Desktop resources are currently using. The client OS also shows which version of the web (HTML) client and the full Remote Desktop client the users have. For a full list of Windows OS versions, see [Operating System Version](/windows/win32/sysinfo/operating-system-version).
+
+>[!IMPORTANT]
+>Windows 7 support will end on January 10, 2023. The client OS version for Windows 7 is Windows 6.1.
+
 ## Connection success
 
 This item shows connection health. "Connection success" means that the connection could reach the host, as confirmed by the stack on that virtual machine. A failed connection means that the connection couldn't reach the host.