Consider the following scenario:
You have a report in Microsoft SQL Server 2016 Service Pack 1 (SP1) Reporting Services.
You configure Reporting Services to use a secure (https/SSL) connection.
You open the Reporting Services web portal or a report in a browser.
In this scenario, you receive a warning message that is similar to the following:
Only secure content is displayedWhen this issue occurs, a message may be logged in the browser console as follows, depending on the browser that you use:
SEC7111: HTTPS security is compromised
Blocked loading mixed active content
This problem is fixed in the following update for SQL Server:
3207512 Important update for SQL Server 2016 SP1 Reporting Services
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.