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July 16, 2026

Launching Citrix-Published Resources Integrated with Omnissa Access

When users launch a Citrix-published desktop or application from the Omnissa Intelligent Hub portal or app, an ICA file is downloaded and passed to the Citrix Workspace app or Citrix Receiver. Citrix Workspace app and Citrix Receiver are native OS applications which launch Citrix-published desktops and applications. The launch experience varies across different platforms and browsers.

Launch Process

Depending on the platform and browser, the application or desktop is launched differently. In some cases the application or desktop is launched directly. In other cases, the user needs to associate the .ica file type with the Citrix Workspace app or Citrix Receiver first so that the application or desktop can be launched directly. In a few cases, the user needs to click the downloaded ICA file to launch the application or desktop. See the table for detailed information.

PlatformBrowserHow the application or desktop is launchedAction Required
WindowsFirefoxLaunches the application or desktop directlyNone
ChromeLaunches the application or desktop directly.None
Internet ExplorerDownloads the ICA file with a .ica extension. After the file type is associated with the Citrix Workspace app or Citrix Receiver, launches the application or desktop automatically.In the browser, associate the .ica file type with the Citrix Workspace app or Citrix Receiver.
EdgeLaunches the application or desktop directly.None
MacSafari, FirefoxLaunches the application or desktop directlyNone
ChromeLaunches the application or desktop directlyNone
Windows SurfaceChromeDownloads the ICA file with a .ica extension. After the file type is associated with the Citrix Workspace app or Citrix Receiver, launches the application or desktop automatically.In the browser, associate the .ica file type with the Citrix Workspace app or Citrix Receiver.
AndroidChromeDownloads the ICA fileClick the ICA file to launch the desktop or application.
iOSSafariDownloads the ICA fileClick the ICA file to launch the desktop or application.
ChromeUnable to download the ICA fileThis scenario is not supported.

Allowing Citrix Workspace app or Citrix Receiver Plugin on Firefox

On Firefox, when users launch a Citrix-published application, they are prompted to allow the Citrix Workspace app or Citrix Receiver plugin.

Allow https://IdentityManagerHostname to run Citrix Receiver?

Popup on Firefox

Users must click Allow Now or Allow and Remember to launch the application.

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