Troubleshooting Guide for ORA-12545 / TNS-12545 Connect failed because target host or object does not exist
(Doc ID 553328.1)
Last updated on AUGUST 23, 2021
Oracle Net Services - Version 184.108.40.206 to 220.127.116.11.0 [Release 9.2 to 19] Oracle Database - Enterprise Edition - Version 18.104.22.168 to 22.214.171.124.0 [Release 9.2 to 19] Information in this document applies to any platform.
Aids in explaining, diagnosing and resolving the TNS-12545 error or 'host or object does not exist'. This is an error that typically occurs when a hostname is not resolveable to Oracle.
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