[KRdp] [Bug 489097] krdpserver crashes when a connection comes from Remote Desktop Windows 11

[Mike Smith]

https://bugs.kde.org/show_bug.cgi?id=489097

--- Comment #6 from Mike Smith <mikesmith929+kde at hotmail.com> ---
(In reply to dalewyn from comment #5)
> (In reply to Mike Smith from comment #4)
> > Hey Gaël would you mind sharing your RDP setting for the client? I ask
> > because I can connect from WIndows 11 and Windows 10 RDP client but only if
> > "Persistent bitmap caching" is turned off on the client. 
> > 
> > You can find that setting if you click on the "Show Options" dropdown and go
> > to the Experience tab of Remote Desktop Connection (clinet side).
> > 
> > Can you confirm if that is active or inactive in your test?
> 
> Not Gael, but I followed your suggestion and got a different error code
> about a protocol error on my Windows 11 RDP client.
> Googling that led me to a suggestion to drop the color resolution down.
> 
> So after disabling bitmap caching as you suggested and dropping the color
> resolution down from 32-bit to 16-bit, I got it to connect. The actual video
> feed looks like garbage, but it does work in a very janky sense.

Ok I've seen this before also. This time it's server side. 

On your krdp server in Fedora what do you have the "video quality" set to? I
suspect it's in the middle? Set it to the highest quality. You should then be
able to connect with 32-bit colour on the client. 

Report back :)

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