Fatal NI connect error TNS-12545,12560,ORA-609 in Database alert log
(Doc ID 2318699.1)
Last updated on MARCH 31, 2022
Applies to:
Oracle Net Services - Version 12.2.0.1 and laterInformation in this document applies to any platform.
Symptoms
Connections seems to be failing and reporting following errors in alert log .
***********************************************************************
Fatal NI connect error 12545, connecting to:
(LOCAL=NO)
VERSION INFORMATION:
TNS for 64-bit Windows: Version 12.2.0.1.0 - Production
Oracle Bequeath NT Protocol Adapter for 64-bit Windows: Version 12.2.0.1.0 - Production
Windows NT TCP/IP NT Protocol Adapter for 64-bit Windows: Version 12.2.0.1.0 - Production
Time: 16-OCT-2017 13:47:17
Tracing not turned on.
Tns error struct:
ns main err code: 12545
TNS-12545: Connect failed because target host or object does not exist
ns secondary err code: 12560
nt main err code: 0
nt secondary err code: 0
nt OS err code: 0
2017-10-16T13:47:17.930336+02:00
opiodr aborting process unknown ospid (35868) as a result of ORA-609
2017-10-16T13:49:47.338831+02:00
Changes
New installation or Ip address for the database server has been changed to a new static entry
Cause
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In this Document
| Symptoms |
| Changes |
| Cause |
| Solution |
| References |