On NT, you may have run out of physical RAM. Oracle doesn't like virtual memory on NT.
Regards, Patrice Boivin Systems Analyst (Oracle Certified DBA) Systems Admin & Operations | Admin. et Exploit. des systèmes Technology Services | Services technologiques Informatics Branch | Direction de l'informatique Maritimes Region, DFO | Région des Maritimes, MPO E-Mail: [EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]> -----Original Message----- From: ehsan sinavalda [SMTP:[EMAIL PROTECTED]] Sent: Sunday, November 18, 2001 6:40 AM To: Multiple recipients of list ORACLE-L Subject: listener failed to start a dedicated server process Hi, When I tried to start one more session of oracle SQLPLUS I got this error: ERROR: ORA-12500: TNS:listener failed to start a dedicated server process But the other session which was already open is working properly.Could you please tell me what could be the problem and how to make this not occur again? Thanks, E. __________________________________________________ Do You Yahoo!? Find the one for you at Yahoo! Personals http://personals.yahoo.com -- Please see the official ORACLE-L FAQ: http://www.orafaq.com -- Author: ehsan sinavalda INET: [EMAIL PROTECTED] Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051 San Diego, California -- Public Internet access / Mailing Lists -------------------------------------------------------------------- To REMOVE yourself from this mailing list, send an E-Mail message to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB ORACLE-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing). -- Please see the official ORACLE-L FAQ: http://www.orafaq.com -- Author: Boivin, Patrice J INET: [EMAIL PROTECTED] Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051 San Diego, California -- Public Internet access / Mailing Lists -------------------------------------------------------------------- To REMOVE yourself from this mailing list, send an E-Mail message to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB ORACLE-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing).