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Home -> Community -> Mailing Lists -> Oracle-L -> Unable to coonect to database after server upgraded from NT to W2K
Hi folks,
Our server team has just upgraded a server from Windows NT4 to Windows 2000, and when I tried connecting to the database from my workstation, using OEM or TOAD, I get an error message after half a minute or so: "ORA-12535: TNS: Operation Timed Out", and cannot complete the connection.
Looking at the Event Log for the database, everything looks OK - it's up and running.
Likewise, the Listener log looks OK - the database service name is there.
Looking at .../network/log/sqlnet.log however, there's something odd:
VERSION INFORMATION:
TNS for 32-bit Windows: Version 8.1.6.3.0 - Production Oracle Bequeath NT Protocol Adapter for 32-bit Windows: Version8.1.6.3.0 - Production
ns secondary err code: 0
nt main err code: 0
nt secondary err code: 0
nt OS err code: 0
- - - - -
I'm not getting very far with tracking down possible causes of these problems, so if it rings any bells with any of you, I'd appreciate any insights!
Regards,
Paul Vincent
Database Administrator
University of Central England
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Please see the official ORACLE-L FAQ: http://www.orafaq.net
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Author: Paul Vincent
INET: Paul.Vincent_at_uce.ac.uk
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