How to customize web gateway error messages

InterSystems FAQ rubric

You can set individual error pages for the following Web Gateway error messages/system responses:

• server error
• server busy
• server unavailable
• server timeout
• connection closed

Settings are made on the Web Gateway Management screen ([Management Portal] > [System Administration] > [Configuration] > [Web Gateway Management] > [Configuration] > [Default Parameters]).

In the Error Page section of the Default Parameters menu, set the filename of the html page to display or the URL to redirect to when an error occurs.

※The Web gateway management screen can also be accessed from the following URL.

For details, please refer to the document below
Custom error page [IRIS]