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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 12.1.0.1 to 12.1.0.2 [Release 12.1]
Microsoft Windows x64 (64-bit)
The installation has been done on a Primary Domain Controller.

Symptoms

Remote connections via the 12c Listener fail consistently with the ORA-12518 error.
ORA-12518: TNS:listener could not hand off client connection

Changes

 This is likely a new installation OR the Windows server has recently been promoted to a Primary Domain controller or PDC.

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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