Install .NET Framework 3.5 on DB Server

Install SQL Server on DB server

Install SQL Management Studio on DB server

Configure SQL memory to reserve memory for Database transaction

SCCM server needs to be the local administrator of DB server

Install .NET Framework 3.5 on DB Server

It’s a prerequisite for SQL Server

Install SQL Server on DB server

I'll just use the Evaluation edition SQL Server 2016, download: https://www.microsoft.com/en-us/evalcenter/evaluate-sql-server-2016

Install SQL Management Studio on DB server

After SSMS is installed, the server needs to restart

Configure SQL memory to reserve memory for Database transaction

It's necessary to allocate at least 8 GB memory for Primary Site server, and 4 GB for Central Administration Site.

SCCM server needs to be the local administrator of DB server