Starting the Listener or LSNRCTL Start Fails With: TNS-12557 or TNS-12555: TNS:Permission Denied
(Doc ID 343253.1)
Last updated on JULY 05, 2023
Applies to:
Oracle Database - Enterprise Edition - Version 11.2.0.3 to 12.2.0.1 [Release 11.2 to 12.2]Oracle Net Services - Version 10.2.0.5 to 12.2.0.1 [Release 10.2 to 12.2]
Information in this document applies to any platform.
This issue could present on any UNIX platform.
Symptoms
An attempt to start the Listener using lsnrctl start yields any of the error stacks below:
TNS-12555: TNS:permission denied
TNS-12560: TNS:protocol adapter error
TNS-00525: Insufficient privilege for operation
Linux Error: 1: Operation not permitted
TNS-12560: TNS:protocol adapter error
TNS-00530: Protocol adapter error
HPUX Error: 20: Not a directory
TNS-12557: TNS: Protocol adapter not loadable
TNS-12560: TNS: Protocol adapter error
TNS-00527: Protocol Adapter not loadable
TNS-12555: TNS:permission denied
TNS-12560: TNS:proto adapter error
TNS-00525: Insufficient privilege for operation
IBM/AIX RISC System/6000 Error: 1: Not owner
Changes
This is either a new installation or some permissions changes have taken place on the /.../.oracle directory.
Cause
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In this Document
| Symptoms |
| Changes |
| Cause |
| Solution |
| References |