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Compression and graphics artifacting in Citrix sessions -- having trouble eliminating


Stephen Radley

Question

So we're having some significant graphics artifacting and evidence of video compression in Citrix sessions, no matter where users are accessing Citrix from. We currently use Citrix cloud, connected to two on-premise application servers running Server 2016. Though I think I have Citrix policies set in a way that should prevent this, it still occurs. Machine, location, internet connection doesn't seem to matter. It's most obvious in graphics work and small text, which makes the kind of precision work our company does really tough. I've attached a few screenshots showing the issues.

 

Here is what our Citrix Policies are set to regarding graphics:

Allow visually lossless compression.

User setting - ICA\Graphics

Disabled (Default: Disabled)

 

Display memory limit

Computer setting - ICA\Graphics

4194303 KB (Default: 65536 KB)

 

Dynamic windows preview

Computer setting - ICA\Graphics

Enabled (Default: Enabled)

 

Extra color compression

User setting - ICA\Visual Display\Still Images

Disabled (Default: Disabled)

 

Flash video fallback prevention

User setting - ICA\Adobe Flash Delivery\Flash Redirection

Not Configured (Default: Not Configured)

 

Legacy graphics mode

Computer setting - ICA\Graphics

Disabled (Default: Disabled)

 

Lossy compression level

User setting - ICA\Visual Display\Still Images

None (Default: Medium)

 

Menu animation

User setting - ICA\Desktop UI

Allowed (Default: Allowed)

 

Multimedia conferencing

Computer setting - ICA\Multimedia

Allowed (Default: Allowed)

 

Optimize for 3D graphics workload

User setting - ICA\Graphics

Enabled (Default: Disabled)

 

Preferred color depth for simple graphics

User setting - ICA\Visual Display

24 bits per pixel (Default: 24 bits per pixel)

 

Target frame rate

User setting - ICA\Visual Display

30 fps (Default: 30 fps)

 

Target minimum frame rate

User setting - ICA\Visual Display\Moving Images

10 fps (Default: 10 fps)

 

Use video codec for compression

User setting - ICA\Graphics

(Default: Use when preferred)

 

View window contents while dragging

User setting - ICA\Desktop UI

Allowed (Default: Allowed)

 

Visual quality

User setting - ICA\Visual Display

High (Default: Medium)

 

Windows Media fallback prevention

User setting - ICA\Multimedia

Not Configured (Default: Not Configured)

 

Anyone have any tips or ideas where to look next?

citrix3.PNG

citrix2.png

citrix1.png

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