12c Windows: ORA-12518 Errors Connecting Via Listener if Server is PDC (Doc ID 2128792.1)

Last updated on JULY 05, 2016

Applies to:

Oracle Net Services - Version 12.1.0.1 to 12.1.0.2 [Release 12.1]
Microsoft Windows x64 (64-bit)
The install 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

Sign In with your My Oracle Support account

Don't have a My Oracle Support account? Click to get started

My Oracle Support provides customers with access to over a
Million Knowledge Articles and hundreds of Community platforms