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August 21, 2026

Test a URL Content Redirection Setting

After you create and assign a URL Content Redirection setting, perform certain steps to verify that the setting is working properly.

Prerequisites

Review the available vdmutil command-line options and requirements, and make sure you have necessary sufficient privileges to run the vdmutil command. For details, see Using the vdmutil Command-Line Utility on an Omnissa Horizon Connection Server Instance in Horizon 8.

Procedure

  1. (Horizon 8 only) Log in to the connection broker instance.

  2. (Horizon 8 only) Run the vdmutil command with the --readURLSetting option.

    For example:

    vdmutil --readURLSetting --urlSettingName url-filtering --authAs johndoe 
    --authDomain mydomain --authPassword secret
    

    The command displays detailed information about the URL Content Redirection setting. For example, the following command output for the url-filtering setting shows that HTTP and HTTPS URLs that contain the text google.* are redirected from the client to the local application pool named iexplore2012.

    URL Redirection setting url-filtering
       Description                                     : null
       Enabled                                         : true
       Scope of URL Redirection Setting                : LOCAL
       URL Scheme And Local Resource handler pairs
          URL Scheme                                   : http
          Handler type                                 : APPLICATION
          Handler Resource name                        : iexplore2012
          URL Scheme                                   : https
          Handler type                                 : APPLICATION
          Handler Resource name                        : iexplore2012
       AgentPatterns
            https://google.*
            http://google.*
       ClientPatterns
          No client patterns configured
    
  3. On a Windows client, perform the following steps.

    1. Open Omnissa Horizon Client, connect to the connection broker instance, click URLs that match the URL patterns configured in the setting, and verify that the URLs are redirected as expected.

    2. Open the registry editor (regedit) and check the registry keys in the path \Computer\HKEY_CURRENT_USER\Software\Omnissa\Horizon\URLRedirection\.

      You should see a key for each protocol specified in the setting. You can click a protocol to see the rules associated with that protocol. For example, agentRules shows the URLs that are being redirected, brokerHostName shows the IP address or fully qualified host name of the connection broker instance that is used when redirecting the URLs, and remoteItem shows the display name of the desktop or application pool that handles the redirected URLs.

  4. On a Mac client, perform the following steps.

    1. Open Horizon Client and connect to the connection broker instance.

    2. In a third-party application such as Notes, click URLs that match the URL patterns configured in the setting and verify that the URLs are redirected as expected.

    3. Verify that the JSON file is created.

      Note: The JSON file is created when the Omnissa URL Content Redirection Helper extension is installed.

      BrowserPath
      Chrome~/Library/Application Support/Google/Chrome/Default/Extensions/lfidjngibpklhhijphdmbmedchiiolgk/version/data.json
      Edge~/Library/Application Support/Microsoft Edge/Default/Extensions/lfidjngibpklhhijphdmbmedchiiolgk/version/data.json
  5. On a Linux client, perform the following steps.

    1. Open Horizon Client and connect to the connection broker instance.

    2. Verify that JSON files are created for third-party applications and browsers.

      Note: The browser JSON file is created when the Omnissa URL Content Redirection helper extension is installed.

      ComponentPath
      Third-party application ~/.omnissa/broker-url-config.json
      Chrome ~/.config/google-chrome/Default/Extensions/lfidjngibpklhhijphdmbmedchiiolgk/version/data.json
  6. On a Chrome client, perform the following steps.

    1. Open Horizon Client and connect to the connection broker instance.

    2. Open a supported browser window and enter a URL in the address bar.

      For a list of supported browsers, see System Requirements for URL Content Redirection.

    3. Verify that the same URL opens in a browser window on the remote desktop.

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