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Citrix XenApp•Cloud Computing•Powershell•Windows Server

Citrix Virtual Apps and Desktops 2203+ grey screen/ConnectionFailure in Eventviewer

March 19, 2023 by AJNI No Comments

Having grey screen issues with CVAD 2203+ and higher on Windows Server 2022 Terminal server? I had this issue occurring on Citrix 2212. Try running this script. It might help you out. Do a VM backup or snapshot before running the script, just to be sure.

$iddHwId = “VEN_5853&DEV_1003”
$pnpDispDevPath = “HKLM:\SYSTEM\CurrentControlSet\Enum\SWD\RemoteDisplayEnum”

try
{
    $iddDevEntries = Get-ChildItem -Path $pnpDispDevPath -ErrorAction Stop| Where-Object Name -Match $iddHwId
}
catch
{
    Write-Output “Failed to query remote ID device entries”
    Write-Output $_
    return
}

if ($iddDevEntries.Count -eq 0)
{
     Write-Output “No remote ID device entries found.”
     return
}

$iddDevEntries | ForEach-Object {
    
    $devName = ($_.Name -Split “\\”)[-1]
    
    try
    {
        Remove-ItemProperty -Path $_.PsPath * -ErrorAction Stop
        Write-Output “Cleared values for $devName”
    }
    catch
    {
        Write-Output “Failed to clear values for $devName”
        Write-Output $_
    }
}

This saved my day:

https://discussions.citrix.com/topic/417832-cvad-connectionfailure-after-install-ltsr-2203-cu2-on-server-2022/page/3/

Reading time: 1 min
Citrix XenApp•VDI•Windows Server

Windows Server 2019/2022 Freezing/Very Laggy Taskbar

December 27, 2022 by AJNI 4 Comments

Having odd issues with the task bar/random task bar freezing on Windows Server 2022 RDS? Or explorer.exe using around 10% of the CPU for every user that is logged in? This might save your day. This issue occurs if you have MS Teams installed on the RDS.

First of all, export the registry path HKLM\SYSTEM\Software\Microsoft\TIP\TestResults\27641370 and look at the file size. If it is around 40MB in size, then you have the same issue.

To resolve the issue, delete the key and disable the TabletInputService service (Touch Keyboard and Handwriting Panel Service). Afterwards, take ownership of C:\Program Files (x86)\Common Files\Microsoft Shared\ink\TabTip32.exe and C:\Program Files\Common Files\microsoft shared\ink\TabTip.exe and rename both executables into TabTip32.exe.orig/TabTip.exe.orig.

After that, reboot your server.

References:

https://learn.microsoft.com/en-us/answers/questions/909494/windows-2022-server-rds-laggyslow-taskbar.html

https://learn.microsoft.com/en-us/answers/questions/752491/server-2022-and-teams-bloats-hkey-local-machinesys.html

Reading time: 1 min
Citrix XenApp•Citrix Xendesktop•Cloud Computing•VDI•Windows Client OS•Windows Server

Publish Click Once Applications on Citrix Virtual Apps and/or Desktops

August 15, 2022 by AJNI No Comments

Just recently I learned that Microsoft ClickOnce Applications are a pain in the ass and cannot be published as Published Applications the usual way through Citrix Virtual Apps and Desktops.

Usually the message below shows up before starting or installing the application (which is on a user basis – I absolutely hate that. Thanks for that Microsoft and Developers). If you try to publish the file ending with .application nothing will happen.

Creating a BAT file and publishing that bat file will show the prompt and the desired application will start:

cd /d “C:\Windows\Microsoft.NET\Framework\v4.0.30319”

start dfsvc.exe

start “C:\Program Files (x86)\Internet Explorer\iexplore.exe” “http://webserver/app”

This does also work:

start “C:\Program Files (x86)\Internet Explorer\iexplore.exe” “\\fileserver\share$\bestsoftware.application”

Kudos:

https://www.nomadit.xyz/clickonce-prompt-for-citrix-published-app/

Reading time: 1 min
Citrix XenApp•Cloud Computing•VDI•VMware•Windows Server

Install Microsoft Teams system-wide on RDS (VDI environment is not detected)

May 20, 2022 by AJNI No Comments

When trying to install the Teams system-wide on an RDS, you might get this error stating that no VDI environment was detected:

msiexec /i “Teams_windows_x64.msi” ALLUSER=1

This is because the installer checks if these registry entries are present on the system (Citrix or VMware):

HKLM\Software\Citrix\PortICA DWORD ALLUSER 1

So the solution is easy: just manually add the Citrix key you are good to go. Teams should work just fine on a RDS that is not provisioned by Citrix or VMware Horizon (why shouldn’t it?).

References:

https://www.masterpackager.com/blog/mst-to-install-microsoft-teams-msi-vdi-to-regular-windows-10

Reading time: 1 min
Citrix XenApp•Citrix Xendesktop•Cloud Computing•VDI•Windows Server

Printer Redirection on Citrix Workspace for Mac OS not working

February 2, 2022 by AJNI No Comments

Having issues with print redirection on Citrix Workspace for Mac OS? Try installing the HP Color LaserJet 2800 Series PS print driver on your terminal server (Server 2019 and newer). It sounds dumb, but Citrix Universal Print Driver (UPD) uses Postscript data that is developed by HP. You can read more about this in the Citrix article at the end of the page.

To install this print driver, open printmanagement.msc on your VDA. Open up Print servers > Servername > Drivers > Add Driver

Select x64

And then Windows Update to check for drivers through Windows Update service.

If you don’t find the driver, manually download it through Windows Update Catalog, extract it with Winzip or 7Zip and select Have Disk…

https://www.catalog.update.microsoft.com/Search.aspx?q=HP%20LaserJet%202800

References:

https://support.citrix.com/article/CTX140208

Reading time: 1 min
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