Display Scaling issues Windows 10 Multi Session

Question

Display Scaling issues Windows 10 Multi Session

Riaan-VS 386

Hi all,

I'm facing an annoying issue.
My client is using dual 4k monitor setup and his sight is not that great so he depends on the scaling / zoom factor in windows.

Yesterday we migrated them from a server 2016 terminal server to a Azure Virtual Desktop environment.

On the Server2016 the scaling worked just fine when using the registry keys:
Local Machine: IgnoreClientDesktopScaleFactor = 1
And CurrentUserKey: LogPixels = 192 for 200% scaling.

However this does not work anymore for Windows 10 Multi session. It seems to completely ignore the zoom/scaling factor.
I have checked the Win8DpiScaling it is set to 1. Tried changing the registry keys to 0...
Unfortunately no success yet.

Anyone that can help me on this issue?

Riaan-VS 386 Reputation points

2022-09-09T08:54:28.153+00:00

Also if you change the scaling factor on the Host-Pool Windows 10 ignores it.
If you change it in Windows settings and logoff and sign back in it also does not work.

Windows 10 Multi session seems to completely ignore these values somehow...
Pelle Dahlkild 1 Reputation point

2022-09-12T06:54:47.503+00:00

Do you use client for iOS?
What version do you use?
In my case we lost the DPI scaling from iOS devices in the latest version. It work in 10.3.0
The client zoom in during the logon but end up with another resolution when logon is finished.

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Riaan-VS 386 Reputation points

2022-09-09T08:54:28.153+00:00

Also if you change the scaling factor on the Host-Pool Windows 10 ignores it.
If you change it in Windows settings and logoff and sign back in it also does not work.

Windows 10 Multi session seems to completely ignore these values somehow...
Pelle Dahlkild 1 Reputation point

2022-09-12T06:54:47.503+00:00

Do you use client for iOS?
What version do you use?
In my case we lost the DPI scaling from iOS devices in the latest version. It work in 10.3.0
The client zoom in during the logon but end up with another resolution when logon is finished.

Answer 1

vipullag-MSFT 26,487 Moderator

@Az-8501

Welcome to Microsoft Q&A Platform, thanks for posting your query here.

You can change the scaling of the connection in the MSRDC app by right-click on the connection icon in the main window and select settings, from there, you can adjust the resolution.
AVD connections take on the scaling settings set on the local device by default. So, if you have set it locally to 100%, you will get 100% in the remote session.

Hope this helps.
If you need further help on this, tag me in a comment.
If the suggested response helped you resolve your issue, please 'Accept as answer', so that it can help others in the community looking for help on similar topics.

Ioannis Kurchidis (MSC Georgia L.L.C.) 6 Reputation points

2022-11-22T06:16:51.407+00:00

Hello,

Sorry to barge in on this thread, it is the only one I could find that describes my issue.
I have the same issue. The suggested workaround does not work for us. Let me explain our setup.
We have a legacy application published in Citrix. It uses Oracle runtime 6i, which does not "understand" modern scaling at all. The only way we made it "render" properly on high-res monitors was by modifying the LogPixels value.

With Windows Multisession, we do achieve DPI awareness (modern applications, Windows Explorer, etc.) are properly rendered at e.g., 125%, but Oracle Forms is stretched and blurry.
Same configuration worked fine on Windows Server 2019

Hence, we need to be able to manage DPI scaling using LogPixels. Do you know whether it is a bug pending correction?

Thank you in advance and sorry again for hijacking this thread.

Best regards,
Ioannis

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