PTF IP22941 fixes APAR IC54377 NEW NET SEARCH EXTENDER ERROR MESSAGE INDICATES MASK EXPANSION OVERFLOW , This fix handles the following situation: wildcard search result sets can be silently truncated if the expansion limit (default or manually set) is too low. The fix now ensures that in those truncation cases, an SQL error is returned. Installation on AIX v5: ======================= 1. Stop NSE and DB2 2. As root: untar package db2nse828_aix5_L70.tar 3. Change to directory aix5 4. use Smitty to install db2nse82_aix5.pkg Note: After you have installed Net Search Extender, run db2iupdt on all instances.