Listener Fails To Start With IPC Permission Errors (TNS-12546 TNS-12555 TNS-00516 TNS-00525) (Doc ID 434062.1)

Last updated on FEBRUARY 07, 2017

Applies to:

Oracle Net Services - Version 10.2.0.2 to 11.2.0.4 [Release 10.2 to 11.2]
Information in this document applies to any platform.
Checked for relevance on 7-MAY-2010.


Symptoms

When we try to start the listener it is failing with permissions errors:

LSNRCTL> start
Starting /app/oracle/product/102/bin/tnslsnr: please wait...

TNSLSNR for Solaris: Version 10.2.0.3.0 - Production
System parameter file is /app/oracle/product/102/network/admin/listener.ora
Log messages written to /app/oracle/product/102/network/log/listener.log
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=meta4)))
Error listening on: (DESCRIPTION=(address=(protocol=ipc)(key=meta3)))
TNS-12546: TNS:permission denied
TNS-12560: TNS:protocol adapter error
  TNS-00516: Permission denied
   Solaris Error: 13: Permission denied

OR

$ lsnrctl start LISTENER

LSNRCTL for Linux: Version 10.2.0.1.0 - Production on 11-JUN-2007 11:05:52

Copyright (c) 1991, 2005, Oracle.  All rights reserved.

Starting /u01/app/oracle/product/10.2.0/db_1/bin/tnslsnr: please wait...

TNSLSNR for Linux: Version 10.2.0.1.0 - Production
System parameter file is /u01/app/oracle/product/10.2.0/db_1/network/admin/listener.ora
Error listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC2)))
TNS-12555: TNS:permission denied
TNS-12560: TNS:protocol adapter error
  TNS-00525: Insufficient privilege for operation
   Linux Error: 1: Operation not permitted

Listener failed to start. See the error message(s) above...

OR

 

We have multiple Oracle Homes with listeners running from under different OS users or we are/have been running the same listener under different OS user(s).

Changes

One or more of the following items:

Cause

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