Think about the situation that you have a software audit. The company use a software facility management tool to determine installed software on a machine. This software that seek for installed software is able to create packages to find software.
At the moment the software seeks for special registry keys to see if sql server is installed.
I got a false alert on one machine, because there only management studio (client tools) are installed. So I need to identify if the full server database server is installed or client tools only. Can I determine this finding registry keys?