Remote Client Connections Fail with ORA-12545 TNS: Host or Object Does not Exist
(Doc ID 291175.1)
Last updated on AUGUST 30, 2024
Applies to:
Oracle Net Services - Version 9.2.0.8 to 19.4.0.0.0 [Release 9.2 to 19.0]Oracle Database - Enterprise Edition - Version 19.12.0.0.0 to 19.12.0.0.0 [Release 19]
Information in this document applies to any platform.
Symptoms
Remote client connections are failing to connect via the listener. The error returned to the client is: ORA-12545: Connect failed because target host or object does not exist.
This error can be either persistent or intermittent depending upon the type of database installation.
Changes
This is likely a new installation of either the client or the database server.
Cause
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In this Document
| Symptoms |
| Changes |
| Cause |
| Solution |
| References |