If you go to create a System Management Container for SCCM this is the process to follow.
To manually create the System Management container
Log on as an account that has the Create All Child Objects permission on the System container in Active Directory Domain Services.
Run ADSI Edit, and connect to the domain in which the site server resides.
Expand Domain <computer fully qualified domain name>, expand <distinguished name>, right-click CN=System, click New, and then click Object.
In the Create Object dialog box, select Container, and then click Next.
In the Value box, type System Management, and then click Next.