HI, I have a sql 2000 enterprice machine for storing edi data and we have created a full text catalog and added two table s and scheduled for incremental population at 3 am .But when i checke the application log i have seen messages like Master merge was started on d:databasesedi_852sql0000900005uildindexercifiles because more than 500000 documents have changed since the last master merge. at 11 PM wHERE THIS messaes are coming from Thanks a lot for the help