[THIN] Re: FW: ICA Multiple screen support Issue

  • From: Carl Stalhood <cstalhood@xxxxxxxxx>
  • To: thin@xxxxxxxxxxxxx
  • Date: Thu, 19 Feb 2009 07:35:54 -0600

The max color depth for ICA is 24-bit so the multiplier is 3, not 4.

This article answers your multi-monitor questions. There is a reg key that
allows you to specify graphics memory beyond 8192.

http://support.citrix.com/article/ctx115637

I'm not sure how ICA handles multi-monitor with different resolutions on
each monitor.

On Thu, Feb 19, 2009 at 12:05 AM, Angela Smith <angela_smith9@xxxxxxxxxxx>wrote:

> Hi
>
> Further to this, if I set all 3 monitors to 1024*768, all 3 monitors work
> fine.  If I set all 3 monitors to 1440*900 the third monitor doesnt work.
> It looks like there is a max resolution limit or the session is running out
> of graphics memory.
>
> How can I check to see how much Display memory is in use?.  I changed the
> Farm setting "Maximum memory to use for each session's graphics" to the max
> which is 8192 but I continue to have the issue when working on the max
> resolution.
>
> Thanks
> Ang
>
> ------------------------------
> From: angela_smith9@xxxxxxxxxxx
> To: thin@xxxxxxxxxxxxx
> Subject: [THIN] ICA Multiple screen support Issue
> Date: Thu, 19 Feb 2009 13:45:35 +1100
>
>
> Hi
>
> We have some users that have 3 monitors.  When running Published
> Applications, we find that 2 of the monitors work but the third does not.
> You cannot drag a Published Application into the third monitor.  The first 2
> monitors are fine but the third is ignored.  The monitor config is as
> follows:
>
> 19" Monitor (1440 x 900 x 32)
> 19" Monitor (1440 x 900 x 32)
> 17" Monitor (1280 x 1024 x 32)
>
> We have not changed the default ICA Display memory allocation.  Farm
> setting "Maximum memory to use for each session's graphics" is set to
> 5625 kilobytes.
>
> Im not sure if the ICA session is running out of memory.  Where can I see
> the session memory usage?  Based on articles Ive seen, you can determine the
> memory requirements by:
>
> 1440 x 900 x 4 = 5184000
> 1440 x 900 x 4 = 5184000
> 1280 x 1024 x 4 =  5242880
>
> Based on this calculation these sessions would require 14Mb.  Am on the
> right track with this?  Im currently running Citrix Presentation Server 4 on
> Windows 2003.  ICA Web Client version is 10.150.  Can anyone suggest any
> other changes apart from upping the graphics memory to 14Mb in trying to
> resolve this issue where I cannot drag to the third screen?
>
> Thanks
> Ang
>
>
>
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