My Oracle Support Banner

Listener Fails To Start With TNS-12545 / Windows Error 49 (Doc ID 747893.1)

Last updated on MARCH 31, 2022

Applies to:

Oracle Net Services - Version to [Release 10.2 to 11.2]
Microsoft Windows (32-bit)
Microsoft Windows x64 (64-bit)


After restarting a RAC node, you are unable to start the listener, as it fails with TNS-12545 / Windows error 49.

The listener is configured to listen on both VIP and physical IP. The VIP is responding to ping.


To view full details, sign in with your My Oracle Support account.

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

In this Document

My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.