Dear Gorril
for "SAP Solution Manager" support you are using the "wrong" FORUM. Short story.
The intention of the solution SAP Solution Manager is:
a.) to handle "updates" in SAP system
b.) Supporting test purposes
etc.
The "Solution Manager " is the "state of the art" tool (to my knowledge) to support you in "handling SAP systems). E.g. May be you have a SAP ERP up and running. The SAP Solution Manager will be connected to SAP ERP and help you in e.g. in this case EHSM installation...
C.B.
Check e.g. SAP Solution Manager | SAP Support Portal
SAP Solution Manager – SAP Help Portal Page
SAP Solution Manager - SAP Library