In the database agent logs there are messages similar to the following:
CAUSE 1 *THIS IS THE MOST COMMON CAUSE*
Missing of incorrect credentials in the lockbox area of the credentials in the Foglight Management Server.
Lockbox was not released
If the error occurs during DB2 agent installation the DB2 database is not active.
RESOLUTION 1 *THIS IS THE MOST COMMON RESOLUTION*
To troubleshoot database agent OS credentials