So here’s a quick one…

App Controller needs the following services/ports open on the SQL server it is configured to talk to during install:

• SQL (duh!) (Port TCP 1433)
• Remote Service Management (RPC SCManager UUID 367ABB81-9844-35F1-AD32-98F038001003)
• Windows Management Instrumentation (WMI)

If these are open the App Controller installer can automatically detect the SQL instance and you don’t get the pesky “The specified database has insufficient space” error: