The ArcGIS Maritime server extension may not work properly if it is not configured correctly. Below are some of the common problems that can occur when configuring ArcGIS Maritimeserver, and information on how to resolve them.
My Maritime Chart Service does not display or disappears after changing my display properties
Determine whether you exceeded the server URL length of 2,048 characters when display_param is in your request. If so, increase the allowable URL length in the web.config.xml file. The web.config.xml file for Internet Information Server (IIS) websites is found in the C:\inetpub\wwwroot folder by default.
I received an error for failure to enable HTTPS on the web server
Verify you have enabled HTTPS on your web server.