Operations Manager 2012 R2 Report Server Install: The specified SQL Server instance is not valid

Operations Manager 2012 R2 Report Server Install: The specified SQL Server instance is not valid

Came across this error on the “SQL Server instance for reporting services” page,¬†when trying to install the reporting server for Operations Manager: The specified SQL Server instance is not valid. I was installing the report server on a separate server, which means i had SSRS installed on the server and pointed to the SCOM DW. […]