What happens when users close down a published application running on XenApp but the session remains running with the Application not running Application State?
When publishing an application through XenApp we tell XenApp about the main applications executable file and where to find it for launch purposes. Applications however can start up numerous processes and it is when the main executable cannot close these extra processes at the time of application closure that this error occurs.
Using Citrix Director you can see the processes that are still lingering. To find out which one is causing the application not to properly close, end each user process one at a time. Once you end a process and the session logs off, you’ve found the culprit. In my case, it was the Authenticator.exe process stopping a session from ending.
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To fix, you must include the affected process name in the LogoffCheckSysModules registry value. Canon printers. To do this, edit your XenApp servers or gold image and enter the process name within the LogoffCheckSysModules value which can be found under HKLM -> System -> CurrentControlSet -> Control -> Citrix -> wfshell -> TWI.
Now when you close the application, the Authenticator.exe process is ended and in turn the session ends.
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InformationThis article presents typical customer use cases and associated configuration options, requirements, limitations, and recommendations for displaying sessions on high resolution monitors.
Apr 07, 2017 Learn how to use advanced publishing of applications and desktops using new tag restrictions feature in XenApp 7.12. This feature allows you to create desktop icons for each server.
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Multiple or single high resolution monitors connected to Windows endpoint machines can result in published apps & desktop sessions displaying at resolutions that are not optimal for the user, as well as text and icons sizes in desktop sessions that are not optimal for the user. Broadly there are two approaches to resolving these issues:
Available configuration methods for client scaling, DPI scaling, and DPI matching Settings can be configured through Receiver for Windows and Citrix Workspace app for Windows group policy settings, or through the Advanced Preferences UI in Receiver for Windows and Citrix Workspace app for Windows. GPO configuration To configure DPI scaling using the Citrix Receiver Group Policy Object administrative template (administrators only)
To configure DPI scaling using the graphical user interface:
Use casesThere are three possible settings for DPI Scaling in the receiver, Scaled, Unscaled and Operating system Scaling. The use cases for the different settings are as follows:Use case: Operating System Scaling (also known as DPI scaling) OS scaling is the default and is identical in behavior to previous receiver versions. This corresponds to the UI setting “Let the operating system scale the resolution”, or the High DPI policy set to disabled. This lets Windows handle all DPI scaling. The resolution on the VDA will be scaled and based on the DPI, resulting in a smaller resolution than the client device. This works well for single monitor sessions, and is efficient when connecting to XenApp 6.5 hosts, or supported XenApp/XenDesktop VDAs configured for Legacy Graphics. This method does not support Mixed DPI; all monitors must have the same DPI or the session will not work. Scaling can cause blurriness in the images, particularly in the case of text. This setting is recommended for users on Windows 7 endpoints if DPI matching is not possible, or those connecting to Legacy VDAs. It can also be used on Windows 10 if there is no Mixed DPI. Enhancements to the Operating System scaling since Receiver for Windows 4.10 Citrix Workspace app (CWA) for Windows version 1808 CWA for Windows version 1808 provides improvements in graphics quality for sessions using legacy graphics mode (GDI graphics mode), when DPI Scaling is enabled on the client. Note: The Legacy graphics mode HDX policy can be used for any currently supported Server OS VDA version that supports Windows Server 2008 R2. The feature enhancement leverages DirectX 11-based scaling on the client where CWA for Windows version 1808 is installed. Because of this, this feature enhancement is not available for Windows 7 client endpoints; as Windows 7 does not support DirectX 11. Graphics quality improvements will also be seen in double-hop scenarios. Refer to the list below for use cases that support this feature enhancement: Single-hop Client endpoint OS: Supported versions of Windows 10 with CWA for Windows installed and DPI Scaling enabled. VDA OS: Windows Server 2008 R2. Double-hop Client endpoint OS: Supported versions of Windows 10 with CWA for Windows installed and DPI Scaling enabled. 1st hop VDA OS: Citrix support versions of Windows 10 with CWA for Windows installed and DPI Scaling enabled. Xenapp 7.15 Apps Not Displaying For Macos Users Free2nd hop VDA OS: Windows Server 2008 R2.Notes: DPI scaling functionality is supported with HDX Windows media redirection, Flash redirection and Browser content redirection features with XenApp and XenDesktop 7.16 (and higher versions). Use case: Scaled (also known as client scaling) The Scaled setting will scale the resolution on the VDA similarly to OS Scaling, however this setting will support mixed DPI scenarios. This corresponds to the UI setting “Yes”, or the High DPI policy set to enabled and the option for “Scale the session for high resolution” set to “Yes”. This setting works well for mixed DPI scenarios when connecting to supported XenApp & XenDesktop and Citrix Virtual Apps & Desktops VDAs. This is the only way to scale Seamless sessions with mixed DPI. Considerations when using Scaled configuration:
This setting is recommended for users on Windows 10 endpoints connecting to currently supported VDAs. It supports mixed DPI without any additional impact on server resources. Use case: Unscaled (includes DPI matching feature) This corresponds to the UI setting “No”, or the High DPI policy set to enabled and the option for “Scale the session for high resolution” set to “No”. This setting should not cause any blurriness due to scaling because the full-unscaled resolution of all monitors is sent to the session. Enabling the unscaled setting will create sessions with higher resolution (as compared to scaled sessions), which can impact server performance and scalability, as well as increased bandwidth usage over the HDX connection. For this reason, customers will need to decide whether configuring for unscaled or scaled is more suited to their needs. This setting is recommended for desktop sessions requiring the best image quality, where the additional server resource usage is acceptable. Unscaled with DPI matching The desktop session will launch with a DPI value that matches the DPI value of the endpoint monitor on which the session displays. This will result in text, icon and other object sizes in the desktop session matching that of the endpoint’s monitor. It is also possible for users to change the endpoint monitor’s DPI value mid-session, which will correspondingly change the desktop session’s DPI value to match. Doing so will also change the desktop session’s display resolution. Requirements:
Limitations:
Unscaled without DPI matching When DPI matching is not possible, the unscaled setting will still mean the full resolution is sent but without DPI matching. This can result in small text and icons in apps and desktop sessions. The DPI can still be set within the VDA after session launch, resulting in the desired text and icon sizes, though this is not possible on RDS desktops, or seamless applications. Requirements:
Limitations:
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