Merge pull request #102416 from Heidilohr/work-overview-line

Added additional line about compatibility to Windows Virtual Desktop overview.

Author: PRMerger19

articles/virtual-desktop/overview.md

@@ -6,7 +6,7 @@ author: Heidilohr
 
 ms.service: virtual-desktop
 ms.topic: overview
-ms.date: 01/23/2020
+ms.date: 01/27/2020
 ms.author: helohr
 ---
 # What is Windows Virtual Desktop? 
@@ -134,7 +134,7 @@ Windows Virtual Desktop supports the following x64 operating system images:
 * Windows Server 2016
 * Windows Server 2012 R2
 
-Windows Virtual Desktop does not support x86 (32-bit), Windows 10 Enterprise N, or Windows 10 Enterprise KN operating system images.
+Windows Virtual Desktop does not support x86 (32-bit), Windows 10 Enterprise N, or Windows 10 Enterprise KN operating system images. Windows 7 also doesn't support any VHD or VHDX-based profile solutions hosted on managed Azure Storage due to a sector size limitation.
 
 Available automation and deployment options depend on which OS and version you choose, as shown in the following table: