Some day before while performing import operation using IMPDP using network_link parameter, I came across this issue. My IMPDP command was as given below: impdp directory=UAT_DIR network_link=MIGRATION_DB_LINK parallel=8 full=y logfile=migration_UATDB_27nov.log exclude=SCHEMA:”in (‘SCOTT’,’ORACLE_OCM’,’XS$NULL’,’MDDATA’,’DIP’,’APEX_PUBLIC_USER’,’SPATIAL_CSW_ADMIN_USR’,’SPATIAL_WFS_ADMIN_USR’,’DMSYS’,’DBSNMP’,’FLOWS_FILES’,’MDSYS’,’ORDSYS’,’EXFSYS’,’WMSYS’,’APPQOSSYS’,’APEX_030200′,’OWBSYS_AUDIT’,’ORDDATA’,’CTXSYS’,’ANONYMOUS’,’XDB’,’ORDPLUGINS’,’OWBSYS’,’SI_INFORMTN_SCHEMA’,’OLAPSYS’,’SYS’,’SYSTEM’,’OUTLN’)” I got following error, before it got terminated due to fatal error: Processing object type DATABASE_EXPORT/SCHEMA/PROCACT_SCHEMA ORA-39127: unexpected error […]