IIS-CONN-DB2-00508I Rows that are in violation of a unique index or a primary key index have been deleted and stored in exception table Table name.
Explanation
Rows that do not have a unique index or that do not have a primary key index have been deleted and stored in the exception table Table name.One or more rows were deleted and stored in the specified exception table. The deleted rows are recorded in the Number of rows deleted entry in the load summary. You can see the load summary in the job log and in the message file specified by the Usage > Load control > Message file property.