BJTU005S SQL CONNECT ERROR

Explanation
The utility failed to execute a SQL CONNECT command to connect to the target Db2® subsystem.

System action
The utility terminates.

User response
Check the Db2 subsystem ID (SSID) that is specified by the DB2SSID parameter in the SYSIN data     set to ensure that it is correct. Check the availability of the target Db2 subsystem.