Lsnrctl Start Fails with TNS-12546 or TNS: Permission Denied
(Doc ID 456113.1)
Last updated on OCTOBER 21, 2019
Applies to:Oracle Net Services - Version 126.96.36.199 and later
Information in this document applies to any platform.
An attempt to start the listener fails with the following error stack:
TNS-12546: TNS:permission denied
TNS-12560: TNS:proto adapter error
TNS-00516: Permission denied
A listener trace reveals the following message:
[22-AUG-2007 12:22:02:571] nttvlser: valid node check on incoming node <ip address here>
[22-AUG-2007 12:22:02:571] nttvlser: Denied Entry: <ip address here>
This is likely a new installation or the sqlnet.ora file on the server has recently been edited to include a setting for TCP.VALIDNODE_CHECKING=YES.
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