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  Asked: Oct 26 2006   5:44 AM GMT
  Asked by: SINETA

ORA-12535


Windows, Architecture/Design, Availability, Performance/Tuning, Data/Application Integration, Oracle 9i

My database runs on 9i.There are remote databases that connected to it.Today all of them are failing to connect because of the error message ora-12535.I increased the CONNECT_TIMEOUT but error still persists.I even set it to zero (0) and the system hangs indefinately.tnsping to these remote databases is successful.Local users connected directly to the Live database don't have this error.What should I do?

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Last Answered: Oct 27 2006  7:14 AM GMT  by JeffCote




Good morning.

Have you checked your sqlnet.log files on the remote systems? Any errors encountered during connections should be logged there. Also, have you turned on tracing? This could also help diagnose the problem.

One last question: Has anything changed in your environment (network, Oracle upgrades, DNS routing) which could potentially impact this?

I hope this helps!

Jeff Cote'
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