12c Windows: ORA-12518 Errors Connecting Via Listener if Server is PDC
(Doc ID 2128792.1)
Last updated on FEBRUARY 18, 2019
Applies to:Oracle Net Services - Version 184.108.40.206 to 220.127.116.11 [Release 12.1]
Microsoft Windows x64 (64-bit)
The installation has been done on a Primary Domain Controller.
Remote connections via the 12c Listener fail consistently with the ORA-12518 error.
ORA-12518: TNS:listener could not hand off client connection
This is likely a new installation OR the Windows server has recently been promoted to a Primary Domain controller or PDC.
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