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:
- - - - -
Fatal NI connect error 12638, connecting to:
(DESCRIPTION=(LOCAL=YES)(ADDRESS=(PROTOCOL=beq)))
VERSION INFORMATION:
TNS for 32-bit Windows: Version 8.1.6.3.0 - Production
Oracle Bequeath NT Protocol Adapter for 32-bit Windows: Version
8.1.6.3.0 - Production
Time: 19-DEC-2003 13:57:19
Tracing not turned on.
Tns error struct:
nr err code: 0
ns main err code: 12638
TNS-12638: Credential retrieval failed
ns secondary err code: 0
nt main err code: 0
nt secondary err code: 0
nt OS err code: 0
TNS-12638: Credential retrieval failed
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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Author: Paul Vincent
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