Information
DB2 can be configured to allow users that do not possess the SYSADM authority to catalog and uncatalog databases and nodes. It is recommended that the catalog_noauth parameter be set to NO.
Solution
Perform the following to require explicit authorization to catalog and uncatalog databases and nodes.
1. Attach to the DB2 instance
db2 => attach to $DB2INSTANCE
2. Run the following command from the DB2 command window-
db2 => update database manager configuration using catalog_noauth no