EM Cloud Control Connection to PDB fails with Error: ORA-12523, TNS:listener could not find instance appropriate for the client connection
(Doc ID 2124711.1)
Last updated on JANUARY 06, 2020
Applies to:Enterprise Manager for Oracle Database - Version 188.8.131.52.0 and later
Information in this document applies to any platform.
The terms used in this case are described in teh online Oracle documentaion here:
Enterprise Manager Cloud Administration Guide
12c Release 5
Chapter 12 Enabling the DBaaS Cloud
12.5 Provision a Container Database for PDB as a Service
EM connects to Container database successfully.
But connection to Pluggable database fails with following error:
- If SID is kept as <CDB SID>.<DOMAIN_NAME>, the connection to CDB works but connection to PDB fails.
- If SID is kept as <CDB SID>, the connection to PDB works but connection to CDB fails
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