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2019: Different errors when connecting multiple RDP sessions
#1
We are running ASG 2019, 12.0.6504.1, in our test environment (production still on 2018). It is running on 2019 RDS (as a remote app). 

We are seeing regulary errors like RDP error 3334, but also other error codes. Bit the same as described in https://remotedesktop.rocketsoftware.com...?tid=11095.

What I noticed is that when we experience this issue the following events are  logged in eventlog of the machine:

Quote:Error creating screenshot
Parameter is not valid.

---------------------------

  at System.Drawing.Bitmap..ctor(Int32 width, Int32 height, PixelFormat format)
  at System.Drawing.Bitmap..ctor(Int32 width, Int32 height)
  at CloudAdminCommon.Helper.ScreenCapture.CaptureWindow(Control control)

and

Quote:Error creating screenshot
Out of memory.

---------------------------

  at System.Drawing.Graphics.CheckErrorStatus(Int32 status)
  at System.Drawing.Graphics.DrawImage(Image image, Int32 x, Int32 y, Int32 width, Int32 height)
  at CloudAdminCommon.Helper.ScreenCapture.GetThumbnailFromImage(Image image, Size size)
  at CloudAdminCommon.Helper.ScreenCapture.CaptureWindow(Control control)


The machines seems to have enough resources (48 GB memory total, 23% in use). Also CPU is steady around 3%.
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#2
Ok, error 3334 is still open - but first you should try to deactivate "Refresh of thumbnails" in Settings=>Connections

Are you using x86 or x64 version of ASGRD?
Regards/Gruss
Oliver
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