ORA-27101 & ORA-01034 Error Attempting to Connect to the Database Via the Listener
(Doc ID 256263.1)
Last updated on FEBRUARY 21, 2023
Applies to:Oracle Net Services - Version 18.104.22.168 and later
Oracle Database - Enterprise Edition - Version 22.214.171.124.0 to 126.96.36.199.0 [Release 19]
Information in this document applies to any platform.
The following errors are being returned to clients when they attempt a remote connection to the database. The database is running and local connections are successful.
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