Listener PORT changes to wrong port after Database upgrade
Last updated on JULY 02, 2014
Applies to:Oracle Net Services - Version 18.104.22.168 and later
Oracle Database - Enterprise Edition - Version 22.214.171.124 and later
Information in this document applies to any platform.
After patching from 11.2 to a higher patchset or migration to 12.1, the listening port of the listener (local or remote) was found changed from the original value set when checked via lsnrctl status. However, the listener.ora still shows the original (pre-upgrade).
Patchset 126.96.36.199 applied or migration from 11.2 to 12.1
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