Linux Virtual Delivery Agent

Custom backgrounds and banner messages on session logon screens

September 5, 2023

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Add a custom background or banner message to session logon screens

Tip:

To use the feature on SUSE 15.4, install imlib2 from http://download.opensuse.org/distribution/leap/15.3/repo/oss/.

You can use the following commands to add a custom background or banner message to session logon screens. To add both a background and a banner message to session logon screens, you can embed the banner message into the background image. After you open a session, the banner message page is displayed first and then the authentication dialog appears.

To set the title of a custom banner message, run:

/opt/Citrix/VDA/bin/ctxreg create -k "HKLM\System\CurrentControlSet\Control\Citrix" -t "REG_SZ" -v "LogonDisplayStringTitle" -d "<Banner message title>" --force
<!--NeedCopy-->

To set the body text of a custom banner message, run:

/opt/Citrix/VDA/bin/ctxreg create -k "HKLM\System\CurrentControlSet\Control\Citrix" -t "REG_SZ" -v "LogonDisplayString" -d "Body of custom banner message\nBody of custom banner message\nBody of custom banner message\n" --force
<!--NeedCopy-->

Tip:

The \n element creates a line break. In this example, the banner message screen looks like this:

To add a custom background to session logon screens, run:

/opt/Citrix/VDA/bin/ctxreg create -k "HKLM\System\CurrentControlSet\Control\Citrix" -t "REG_SZ" -v "BackgroundImagePath" -d "<path to the background image>" --force
<!--NeedCopy-->

For example:

Add a custom background to the session logon screen

Example session logon screens

The following are example session logon screens in different scenarios:

Session logon in single sign-on (SSO) scenarios:

The logon process is displayed.
Session logon in typical non-SSO scenarios:
- A password or PIN code is required in non-SSO scenarios.
- Users can toggle the visibility of passwords and PIN codes, making it easy for users to find out incorrect inputs.
Session logon in non-SSO scenarios when users log on to VDA sessions with credentials different from those used to log on to Citrix Workspace app:

User name and password used for session logon:

Smart card used for session logon:

For the combinations of user authentication methods supported in non-SSO scenarios, see Non-SSO authentication.

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Custom backgrounds and banner messages on session logon screens

September 5, 2023

Contributed by:

September 5, 2023

Contributed by:

Custom backgrounds and banner messages on session logon screens

Add a custom background or banner message to session logon screens

Example session logon screens

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