I am currently working with a multiple-servers SharePoint Farm (1 Database server, 1 Web Front End server, and 1 Application Server), and I have already installed SQL Server 2014 Reporting Services Add-ins for SharePoint 2013 on the WFE Server and Application Server.
The SQL Server which I've installed on the DB server also already had the Reporting Services Add-ins for SharePoint Products feature activated. I've also already run the PowerShell commands.
But when I tried to create a new SQL Server Reporting Services Service Application from the Manage Service Applications at the Central Administration, I got the following error:
Installation Error: Could not find SOFTWARE\Microsoft\Microsoft SQL Server\120 registry key.
Are there anything wrong with my installation steps? I've tried to google for some solutions, mostly stated that I need to install the RS add-ins on all Application server, which I've already done.