Symptoms
Published desktop or application does not snap to full screen automatically when dragged to the top of screen.
Currently the window can be maximised manually but cannot be made full-screen.
In some cases, maximised resource cannot be dragged to another monitor.
This KB address that issue also.
Resolution
Add the registry key as described on each of the RDSH server which is affected by the above symptoms.
Note: This key with value will work with Remote Application Server 19.4.0 or later
| Path | HKLM\SOFTWARE\WOW6432Node\Parallels\MemShell |
| Key Type | DWORD 32-bit |
| Name | WinArrangement |
| Value (decimal) |
0 - OS decides of the arrangement 1 - Window arrangement is disabled on Windows 11 2 - Window arrangement is disabled 3 - Window docking is disabled on all OSs |
To resume Window arrangement and snapping, set the registry value to "0"
Restart the "RAS RD Session Host Agent" service on the server(s).
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