To connect your Protect4S SAP Solution Manager to satellite systems that have a IBM DB2 type database: Download and install the DB client software (IBM Data Server Client) from the IBM Support site.
In case the Protect4S Solution Manager runs on Windows: make sure that the operating systems accounts the SAP Solution Manager is running under, are added to the newly created groups DB2ADMNS and DB2USERS.
Follow the instruction mentioned in:
SAP OSS Note 1267189 - DBA Cockpit: DB2 for LUW as Remote Database​