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xSOU1-9666 asked xSOU1-9666 commented

Remote Desktop Services 2019 - White and black bars in desktop experiences

Hello,

a customer is reporting issues with Remote Desktop Services 2019 and their user experience - from time to time their desktop gets white/black bars going completely through one of two monitors attached to the thin / zero clients (marked in the screenshots with a red frame - person-specific data censored).

129922-schwarzer-balken.png
129857-wei%C3%9Fer-balken.png

We tried several things in form of GPOs, REGEDITs, VM changes, ZeroClient / ThinClient config changes and it still appears.

Mostly a reboot of the RDSH is enough for a few days before appearing again, sometimes it doesn't take ten minutes and it is back.

Data about used components:
- virtualized Windows Server 2019 Datacenter as RDSH (16 vCPUs, 64GB RAM)
- physical server components: Intel S2600WFT, 2x Intel Xeon Gold 5217, 256GB RAM
- hypervisor: VMware vSphere ESXI 7.0
- zero clients: 10zig 4548r / 10zig 4548m
- monitor: iiyama ProLite XUB2493HSU-B1

I hope for good and fast responses.

Wish you a nice healthy day.

Best regards,
xSOU1 | Julian


windows-serverremote-desktop-services
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1 Answer

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LimitlessTechnology-2700 answered xSOU1-9666 commented

Hello @xSOU1-9666

  1. I would like to suggest you to check from any of non thin client machine and see if you are able to see that white/black bars ?

  2. Also Uncheck the box for Persistent Bitmap Caching

  3. Cleanup folder c:\users\username\appdata\local\Microsoft\Terminal Server Client\Cache

If the reply was helpful, please don’t forget to upvote or accept as answer :)

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Hello @LimitlessTechnology-2700

disabling PBC was not the solution, it now leaves black bars located in several applications (screenshot attached - white bars are censored content). Taking over the remote session via MSTSC leaves everything fine.

131073-black-bars-after-disable-1.jpg

The last thing we're going to do is providing a new user profile because it happens only on specific users (at least with the currently reported incidences).

Best regards,
JxSOU1 | Julian


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