Found the problem. I had the ORACLE_SID exported in lowercase and the SID = set to upper case in my listener.ora file. Changed the listener file to match the exported value and everything works. Thanks, Magnus -----Original Message----- From: Magnus Andersen [mailto:Magnus.Andersen@xxxxxxxxxxxxxxx] Sent: Tuesday, July 19, 2005 10:06 PM To: Oracle-L (E-mail) Subject: Getting ORA-01034 and ORA-27101 error even though Oracle is up... When I try to connect remotely I receive these errors. I can connect locally without problems and if I run ipcs I see the shared memory. I'm running Oracle 9.2.0.6 on RedHat EL 3 AS Any help is appreciated. Sincerely, Magnus Andersen