Hi, Michiel, Thanks very much for your detailed investigation. From your description, it seems a native application(Google Chrome on your Win10 Pro 2004) steal focus from the Horizon vdi deskt...
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Hi, Michiel, Thanks very much for your detailed investigation. From your description, it seems a native application(Google Chrome on your Win10 Pro 2004) steal focus from the Horizon vdi desktop window while scrolling, so the vdi desktop window is un-grabbed. Yes, this can explain why the content scroll one time( because the first move event is sent to vdi desktop) and then stop( because the vdi desktop is un-grabbed, so mouse event is not sent to vdi desktop). If you keep moving the mouse inside the vdi desktop, the vdi desktop will try to grab again and again, so the scroll mouse event can be sent to vdi desktop and you can see the scroll can work in this scenario. The interesting things is: 1. I guess native Google Chrome wants to be focused because it gets scroll event, so why it gets scroll event if vdi desktop is front most, it's strange. And it doesn't steal focus from Windows Server 2008R2, hmm, weird. 2. Do you install url redirection on your Window Server 2019? Not sure this can affect the native Google Chrome's behavior. 3. Another point is, if the native Google Chrome isn't launched, can the scroll work? --zhanglin