My Oracle Support Banner

Windows: ORA-12542: TNS: Address Already In Use (Doc ID 2261112.1)

Last updated on JANUARY 01, 2020

Applies to:

Oracle Net Services - Version 11.2.0.1 to 12.2.0.1 [Release 11.2 to 12.2]
Information in this document applies to any platform.

Symptoms

An Application (such as Trapeze) running on a Windows machine, may be hitting the following errors intermittently:
ORA-12542: TNS: address already in use

This may or may not be in a High Transaction environment.

Changes

There may have been a recent installation of a Security program, such as Checkpoint.
There may have been a recent reboot of the Windows machine which has resulted in the above security program now being active.

Cause

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
Symptoms
Changes
Cause
Solution
References


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