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ORA-12535 TNS timed out

408893Nov 12 2003 — edited Nov 15 2003
I have just installed Personal Database 9i on W2000 complete with the example database. The listener is running - LSNCNTRL STATUS gives correct info. LISTENER.ORA contains CONNECT_TIMEOUT_LISTENER=0 but:
Enterprise Manager Console (standalone) always gives error ORA-12535 TNS: operation timed out when I try to connect to the database. I can connect to the database with SQL-PLUS. TNSPING does not find the service. What is going on - can anyone help - this is my first experience of Oracle.
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Locked on Dec 13 2003
Added on Nov 12 2003
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