Manual Chapter : Localizing error messages

Applies To:

  • BIG-IP APM

    15.1.10, 15.1.9, 15.1.8, 15.1.7, 15.1.6, 15.1.5, 15.1.4, 15.1.3, 15.1.2, 15.1.1, 15.1.0

Updated Date: 07/07/2026

Localizing error messages

Customize the error messages that appear when the client or browser encounters errors while processing the login page or running access policy sessions.

  1. On the Main tab, click Access > Profiles / Policies > Customization > General.

    The Customization tool appears in General Customization view, displaying Form Factor: Full/Mobile Browser settings.

  2. In the left pane, select the Text tab.

    A navigation tree displays in the left pane.

  3. In the left pane, expand the folders and navigate to Customization Settings > Access Profiles > name_of_access_profile > Error Messages > error_message_category.

  4. At the top right of the Customization settings pane, select the Language for which to customize error messages for full and mobile browsers.

  5. Customize the settings for the error messages.

  6. After you customize settings, click the Save icon at the top of the Customization tool.