How to fix the error ORA-00306: limit of string instances in this database?

In this post, you’ll learn more about the Oracle ErrorORA-00306: limit of string instances in this database with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-00306: limit of string instances in this database

Reason for the Error ORA-00306: limit of string instances in this database

Starting this instance would exceed the maximum number of instances allowed for this database. This message occurs only with STARTUP shared and multiple instances.

How to fix the Error ORA-00306: limit of string instances in this database ?

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

You cannot start more than the lower of a) port-specific limit as to the number of instances b) the number of instances specified at create-database time