Shared Server: SQL*Plus Connection Fails with TNS-12518
(Doc ID 1638595.1)
Last updated on FEBRUARY 05, 2020
Applies to:Oracle Net Services - Version 220.127.116.11 and later
Information in this document applies to any platform.
Remote clients that attempt to connect via Shared Server fail with the following message:
TNS-12518: TNS:listener could not hand off client connection
The Lsnrctl Services output shows several DISPATCHERS. Most are configured to use TCP however one is configured to spawn using the TCPS (SSL) protocol.
This is likely a new installation of the Oracle database or a new implementation of Shared server.
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