Unable to start Siebel server when Oracle Client update from 12c to 19c with error ORA-12557: TNS:protocol adapter not loadable (Doc ID 3041840.1)

Last updated on AUGUST 15, 2024

Applies to:

Siebel CRM - Version 23.3 and later
Information in this document applies to any platform.

Error starting siebel services when using Oracle Client 19c

ERROR From Siebel Sever log
-----------------------

Steps to Reproduce:

1. Remove Oracle Client 12c

2. Install Oracle Client 19c

3. Start Siebel server

4. Siebel server services failed to start

Oracle Client update from 12c to 19c

	To view full details, sign in with your My Oracle Support account.
	Don't have a My Oracle Support account? Click to get started!

In this Document

Symptoms

My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.