Windows: Listener fails to start with ORA-12560 (Doc ID 2012503.1)

Last updated on APRIL 04, 2017

Applies to:

Oracle Net Services - Version 10.2.0.4 to 12.1.0.2 [Release 10.2 to 12.1]
Microsoft Windows x64 (64-bit)

Symptoms

 Starting the listener on Windows fails with:

TNS-12560: Protocol Adapter Error

TNS-530: Protocol Adapter Error

Cause

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