How to fix the Oracle error ORA-29760: instance_number parameter not specified?

In this post, you’ll learn more about the Oracle ErrorORA-29760: instance_number parameter not specified with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-29760: instance_number parameter not specified

Reason for the Error ORA-29760: instance_number parameter not specified

The init.ora file did not contain a value for the instance_number which is required to identify this instance to other instances of the database running on the same cluster

How to fix the Error ORA-29760: instance_number parameter not specified ?

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

Assign a value to the instance_number parameter in the init.ora parameter file