Windows: ORA-12542: TNS: Address Already In Use
(Doc ID 2261112.1)
Last updated on JANUARY 01, 2020
Applies to:Oracle Net Services - Version 18.104.22.168 to 22.214.171.124 [Release 11.2 to 12.2]
Information in this document applies to any platform.
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.
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.
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