Complete Technical System Information Manually 
With the technical system editor, you can manually create, change, and delete information about technical systems, in the Landscape Management Database (LMDB) of SAP Solution Manager.
Note
Avoid manual entries. They can become inconsistent or obsolete.
Data from System Landscape Directory (SLD), once changed manually in the Landscape Management Database of SAP Solution Manager, will no longer be updated by synchronization automatically.
Register technical systems automatically with data suppliers, as described under Register Technical Systems Automatically by Data Suppliers.
The following information about technical systems must be created manually in the LMDB:
Installed product instances of systems that do not supply product information.
The Diagnostics-Relevant indicator for product instances
Custom attributes
To maintain technical system information, the following requirements must be fulfilled:
You have performed the basic configuration of the LMDB.
You have initially synchronized SLD and LMDB.
To display a technical system, you need the SAP_SYSTEM_REPOSITORY_DIS user role.
To create, change, or delete a technical system, you need the SAP_SYSTEM_REPOSITORY_ALL user role.
To maintain technical systems manually in the LMDB, you can carry out the following activities: