The DB2 probe was successfully installed on the AIX Operating System but it fails to connect to the local database. The following message is displayed: Probe has to be started for the connection test.
Environment
AIX with local DB2
Cause
Based on the db2_monitor log, the DB2INSTANCE variable was not set on the Controller: db2: (scan_db2dir) - Get default instance name failed, DB2INSTANCE not filled.
Resolution
You MUST set the DB2INSTANCE on the controller as below.