Microsoft Citrix Workspace

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Citrix Workspace provides users with unified, secure and reliable access to all apps and data on any device whether they are in company offices, working from home, or anywhere in between. Combining the power of the cloud with Microsoft Azure, Microsoft 365, and Citrix Workspace provides a platform for flexible work by giving employees unified access to all of the applications, content, and business services they need to be productive and secure wherever and whenever work needs to get done.

Applicable Products

Citrix Workspace App
Receiver

Symptoms or Error

This article is intended for Citrix administrators and technical teams only.
Non-admin users must contact their company’s Help Desk/IT support team and can refer to CTX297149 for more information.
Executing ALT+TAB keys, toggles opened applications on endpoint machine instead of Citrix Desktop session.

Solution

In general, switching between applications/windows within a Citrix Desktop Session will work without a need to alter any settings on an endpoint with the newer releases of Citrix Workspace App.
Please review the below sections for additional information:

With the latest releases of Workspace App for Windows, no changes on the endpoint are required. Hitting 'Alt+Tab' on the endpoint within a windowed Citrix Desktop session.
If the expected behavior of switching between applications/windows within a Citrix Desktop Session is not occurring, please follow these steps:

On the client machine set the following registry key:
Per-Machine setting:

Key: HKEY_LOCAL_MACHINESOFTWARECitrixICA ClientEngineLockdown ProfilesAll RegionsLockdownVirtual ChannelsKeyboard
Type: REG_SZ
Name: TransparentKeyPassthrough
Value: Remote

Key : HKEY_LOCAL_MACHINESOFTWAREWOW6432NodeCitrixICA ClientEngineLockdown ProfilesAll RegionsLockdownVirtual ChannelsKeyboard
Type: REG_SZ
Name: TransparentKeyPassthrough
Value: Remote

Key: HKEY_CURRENT_USERSOFTWARECitrixICAClientEngineLockdown ProfilesAll RegionsLockdownVirtual ChannelsKeyboard
Type: REG_SZ
Name: TransparentKeyPassthrough
Value: Remote

Citrix Workspace App Microsoft

**Note: You have to exit Citrix Workspace App / Citrix Receiver and launch it again for this change to take effect.

On macOS there are no required settings that need to be changed to allow this behavior. Hit the following keys on a Mac to switch between applications/windows within a Citrix Desktop Session:

Hit the following keys: 'Option+ Tab'.

Refer Doc : https://docs.citrix.com/en-us/citrix-workspace-app-for-mac/configure.html

On Linux there are no required settings that need to be changed to allow this behavior.
If the expected behavior of switching between applications/windows within a Citrix Desktop Session is not occurring, please follow these steps:

Open terminal and navigate to the following location:
- /etc/icaclient/config/All_Regions.ini
Edit the .ini file with your preferred editor
- ex. nano All_Regions.ini
Find the following line within the file and update it to 'Remote' after the equal sign:
- TransparentKeyPassthrough =Remote
Exit Citrix Workspace App or Citrix Receiver and launch it again

Note : Changes made to the above file will be applied to all the connections. On ChromeOS there are two ways of switching between applications/windows within a Citrix Desktop Session, see below:

Go into full screen mode on your Citrix Desktop Session:
- Proceed to switch between applications/windows using 'Alt+Tab'
Within a windowed session try the following key combination to:
- Proceed to switch between applications/windows using 'Alt+PageUp'

Problem Cause

Hotkey combination not configured to passthrough from the client workstation to the active Citrix session window.

Additional Resources

Understanding Keyboard Input To Virtual Desktops
By default, when you use a virtual desktop all key presses are directed to it (not the local computer) with the following exceptions:

Windows logo key+L is directed to the local computer.
CTRL+ALT+DELETE is directed to the local computer except in some cases if you use the Citrix Desktop Lock.
Key presses that activate StickyKeys, FilterKeys, and ToggleKeys (Microsoft accessibility features) are normally directed to the local computer.
As an accessibility feature of the Desktop Viewer, pressing CTRL+ALT+BREAK displays the Desktop Viewer toolbar buttons in a pop-up window.
Windows key combinations (for example, CTRL+ESC and ALT+TAB) are directed according to the settings that your help desk has selected.

Note: By default, if the Desktop Viewer is maximized, ALT+TAB switches focus between windows inside the session. If the Desktop Viewer is displayed in a window, ALT+TAB switches focus between windows outside the session.
Hotkey sequences are key combinations designed by Citrix. For example, the CTRL+F1 sequence reproduces CTRL+ALT+DELETE, and SHIFT+F2 switches applications between full-screen and windowed mode. You can use hotkey sequences with virtual desktops in many, but not all, setups. For example, they work with your hosted applications.