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Window/GUI artifacts on RDS client (RD Web Access). Bug in screen refreshing?

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We are accessing a 3rd party app that uses Remote Desktop Web Access (Azure back end). I have no access to their system other than technical support. On two Windows 10 client machines the RD client fails to refresh the screen correctly. When I first log in to the app, I expect to see a document window within the main window. It doesn't appear until I grab the title bar and move it slightly. Also, maximizing the window fails; it paints a "window" on the screen but there are lines and graphic artifacts that should not be there. Only by stretching the window with the handles can I "maximize" the window.

Remote desktop to my own server works fine. Only with this RD Web Access application do I see this problem.

I've tried changing resolutions, updating drivers, clean installs. Nothing fixes it. Calls to the app technical support had no success.

Monday, July 13, 2020 4:07 PM

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HI

0.can you enter winver in command prompt on local win10 computer and remote RD Web Access,then look the os version and os version number ?[for example windows 10 enterprise 1809 (os build 17763.316)]

1.is Remote Desktop Web Access server a azure vm in azure ?
2.is there microsoft build-in remoteapp published to RDweb,like calculator,notepad ?if we publish microsoft build-in remoteapp to RDweb,will the same issue happen as that 3rd party app ?
3.we can use below link method to verify your technet forum account so that you can post picture and website link. Please make sure that the pictures you post do not contain your company and your private information (including but not limited to domain name, public IP, email account, domain account, etc.). These private information must be altered.

https://social.technet.microsoft.com/Forums/en-US/5c00b9a9-3afe-4ee9-bbf0-34157716b92a/verify-my-account?forum=reportabug

Best Regards
Andy YOU
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- Edited by Andy YOUMicrosoft contingent staff Wednesday, July 15, 2020 6:31 AM
Tuesday, July 14, 2020 3:27 AM
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1. Yes

2. We tried Wordpad, and it doesn't exhibit the problem.

This happens on two machines: Both machines are running Windows 1909, Build 18363.900. One is Home, the other Pro

Video cards:

Pro machine: AMD Radeo R9 200/HD7900 Series

Home machine: NVIDIA GeForce GTX 960

Update: Windows today updated to build 18363.959. And.... the problem went away. On both machines. I'm curious what changed?
Friday, July 17, 2020 1:09 AM
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Build updated to 19041.388

Now it's broken again. Can't maximize a window.

Friday, July 24, 2020 9:27 PM
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HI
4.can we run below command in command prompt(open as admin) on both client and remote session host server then check if it can find and solve system file issue?
sfc scannow
dism /online /cleanup-image /scanhealth
dism /online /cleanup-image /restorehealth

5.did you check the rdp file which download from RDweb?
maximizetocurrentdisplays:i:0
screen mode id:i:2
https://docs.microsoft.com/en-us/windows-server/remote/remote-desktop-services/clients/rdp-files

6.if remote access the RDsession host by using mstsc ,when the user logon the desktop of issue RDsession host server then open the issue applicatioin,will the same issue happen ?

7.is there any log about your issue from starting rdp to RDSH to issue happen .
client win10
event viewer\windows logs\
security
application
system
Event Viewer – Applications and Services Logs -Microsoft-terminalservices-clientactivatexcore
microsoft-winodws-terminalservices-rdpclient/analytic enable
microsoft-winodws-terminalservices-rdpclient/debug enable
microsoft-winodws-terminalservices-rdpclient/operational enable

Event Viewer – Applications and Services Logs -Microsoft-Windows-RemoteApp and Desktop Connections_Admin
Event Viewer – Applications and Services Logs -Microsoft-Windows-RemoteApp and Desktop Connections_operational
Event Viewer – Applications and Services Logs -Microsoft-Windows-remoteassistance
Event Viewer – Applications and Services Logs -Microsoft-Windows-RemoteDesktopServices-RdpCoreTS_Admin
Event Viewer – Applications and Services Logs -Microsoft-Windows-RemoteDesktopServices-RdpCoreTS_Operational
Event Viewer – Applications and Services Logs -Microsoft-Windows-RemoteDesktopServices-remotefx-synth3dvsc
Event Viewer – Applications and Services Logs -Microsoft-Windows-RemoteDesktopServices-remotefx-vm-kernel-mode-transport
Event Viewer – Applications and Services Logs -Microsoft-Windows-RemoteDesktopServices-remotefx-vm-user-mode-transport
Event Viewer – Applications and Services Logs -Microsoft-Windows-RemoteDesktopServices-SessionServices_Operational

Event Viewer – Applications and Services Logs -Microsoft-Windows-TerminalServices-clientactivexcore
-rdpclient/analytic
-rdpclient/operational
Event Viewer – Applications and Services Logs -Microsoft-Windows-TerminalServices-local sessionmanager
Event Viewer – Applications and Services Logs -Microsoft-Windows-TerminalServices-remoteconnectionmanagement

Event Viewer – Applications and Services Logs -Microsoft-Windows-TerminalServices-ClientUSBDevices
_Admin
_Operational
Event Viewer – Applications and Services Logs -Microsoft-Windows-TerminalServices-PnPDevices_Admin
Event Viewer – Applications and Services Logs -Microsoft-Windows-TerminalServices-PnPDevices_Operational
Event Viewer – Applications and Services Logs -Microsoft-Windows-TerminalServices-remoteconnectionmanagement

-------------------------
RDSH
event viewer\windows logs\
application
system

Event Viewer – Applications and Services Logs – Microsoft – Windows-remoteapp and desktop connection management_admin
Event Viewer – Applications and Services Logs – Microsoft – Windows-remoteapp and desktop connection management_operational
Event Viewer – Applications and Services Logs – Microsoft –Windows-remotedesktopservices-rdpcoreTS_admin
Event Viewer – Applications and Services Logs – Microsoft –Windows-remotedesktopservices-rdpcoreTS_operational

Event Viewer – Applications and Services Logs – Microsoft –Windows-remotedesktopservices-sessionservice-operatinal
Event Viewer – Applications and Services Logs – Microsoft –Windows-TerminalServices-*

Best Regards
Andy YOU
Please remember to mark the replies as answers if they help.
If you have feedback for TechNet Subscriber Support, contact tnmff@microsoft.com.
- Edited by Andy YOUMicrosoft contingent staff Saturday, July 25, 2020 2:56 PM
Saturday, July 25, 2020 2:35 PM
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4.

C:\WINDOWS\system32>sfc /scannow

Beginning system scan. This process will take some time.

Beginning verification phase of system scan.
Verification 100% complete.

Windows Resource Protection did not find any integrity violations.

C:\WINDOWS\system32>dism /online /cleanup-image /scanhealth

Deployment Image Servicing and Management tool
Version: 10.0.19041.329

Image Version: 10.0.19041.423

[==========================100.0%==========================] No component store corruption detected.
The operation completed successfully.
C:\WINDOWS\system32>dism /online /cleanup-image /restorehealth

Deployment Image Servicing and Management tool
Version: 10.0.19041.329

Image Version: 10.0.19041.423

[==========================100.0%==========================] The restore operation completed successfully.
The operation completed successfully.

..............................................

Thursday, August 6, 2020 2:27 AM
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5. Nothing downloads. I have an icon in ....RDWeb/Pages/en-US/Default.aspx

I click it and it launches the app.

Thursday, August 6, 2020 2:29 AM
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6. I launch mtsc (Remote Desktop Connection) and the app appears in the drop-down, but I can't connect to it from there. I think I need to be logged in to the RemoteApp page of the publisher, and then launch with the icon there.

Thursday, August 6, 2020 2:41 AM
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7. Looked at several logs, and found this item.

The client encountered an issue while decoding and displaying RDP graphics (component: {DD15FA56-7000-43FB-BD84-FD8B56527EFC}, function: 15, error code: 0x80004005)

- System

- Provider

[ Name] Microsoft-Windows-TerminalServices-ClientActiveXCore

[ Guid] {28aa95bb-d444-4719-a36f-40462168127e}

EventID 1404

Version 0

Level 2

Task 106

Opcode 44

Keywords 0x4000000000000000

- TimeCreated

[ SystemTime] 2020-08-06T02:43:43.1463474Z

EventRecordID 923

- Correlation

[ ActivityID] {0b2510ea-5d61-4493-ac1a-d028becf0000}

- Execution

[ ProcessID] 20216

[ ThreadID] 2552

Channel Microsoft-Windows-TerminalServices-RDPClient/Operational

Computer LILLE

- Security

[ UserID] S-1-5-21-772199010-3819569015-3133054216-1001

- EventData

Component {DD15FA56-7000-43FB-BD84-FD8B56527EFC}

Function 15

ErrorCode 2147500037

Thursday, August 6, 2020 2:54 AM
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HI
if we try to enble below policy on issue session host server ,will the same issue persist ?
Computer Configuration -> Administrative Templates -> Windows Components -> Remote Desktop Services -> Remote Desktop Session Host -> Remote Session Environment
use hardware graphics adapters for all remote desktop services sessions enable
Configure H.264/AVC hardware encoding for Remote Desktop connections enable
Prioritize H.264/AVC 444 Graphics mode for Remote Desktop connections enable
Remote Desktop Protocol (RDP) 10 AVC/H.264 improvements in Windows 10 and Windows Server 2016 Technical Preview

https://techcommunity.microsoft.com/t5/microsoft-security-and/remote-desktop-protocol-rdp-10-avc-h-264-improvements-in-windows/ba-p/249588
Best Regards
Andy YOU
Please remember to mark the replies as answers if they help.
If you have feedback for TechNet Subscriber Support, contact tnmff@microsoft.com.

Saturday, August 8, 2020 2:49 AM