After chageing the hostname, I changed the listener.ora and tnsnames,ora files on the server, but when I start oracle I get the error : ORA-00600: internal error code, arguments: [keltnfy-ldmInit], [46], [1], [], []] Any ideas? John Dunn Sefas Innovation Limited. Tel: + 44 (0) 117 373 6122 P Please consider the environment before printing this email ________________________________ From: Howard Latham [mailto:howard.latham@xxxxxxxxx] Sent: 31 March 2009 14:05 To: John Dunn Cc: oracle-l@xxxxxxxxxxxxx Subject: Re: Change of hostname Hosts file on all boxes that access it also tnsnames on any box that access the db. 2009/3/31 John Dunn <JDunn@xxxxxxxxx> Sys admin wants to change the hostname of the server running Oracle 10. What oracle configuration do I need to change so oracle will still work? John -- Howard A. Latham