Citrix – The following requested video mode was not available

Recently we received the following error message when accessing Citrix Presentation Server on a few client machines which had had large wide screen monitor upgrades. The application that had been started would also not enter full screen mode.

The following requested video mode was not available: 1920 x 1080 x 24 BPP

The video mode has been set to the following mode: 1847 x 1038 x 24 BPP

Video mode restricted by administrator.

Citrix Error: The following requested video mode was not available

This was due to the fact that not enough memory had been allocated to the graphics for individual client sessions to support the resolution on larger monitors. This can be resolved by modifying the Farm ICA Display settings in the Citrix Access Management Console. Right click on the Farm object in the Citrix Access Management Console and choose ‘Properties’. Then under ‘Server Default’, ICA, click on ‘Display’. Change ‘Maximum memory to use for each sessions’s graphics’ from the default (in my case 5625) to 8192 as shown below:

Changing the 'Maximum memory to use for each session's graphics' setting under Server Default, ICA, Display

After increasing the memory available for each sessions graphics, you should find that Citrix is able to support the higher resolutions OK.

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6 Responses to Citrix – The following requested video mode was not available

  1. Mohammed says:

    works for me …
    Thank You

  2. Richard says:

    worked for me to

  3. Nervous Citrix Tech says:

    Thanks, great article.

  4. Won says:

    oh jesus!! thanks man

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