How to fix the Oracle error ORA-27140: attach to post/wait facility failed?

In this post, you’ll learn more about the Oracle ErrorORA-27140: attach to post/wait facility failed with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-27140: attach to post/wait facility failed

Reason for the Error ORA-27140: attach to post/wait facility failed

The program attempted to initialize the post/wait facility, but the facility could not be attached.

How to fix the Error ORA-27140: attach to post/wait facility failed ?

You can fix this error in Oracle by following the below steps

Check for additional errors and contact Oracle Support.