How to fix the Oracle error ORA-15000: command disallowed by current instance type?

In this post, you’ll learn more about the Oracle ErrorORA-15000: command disallowed by current instance type with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-15000: command disallowed by current instance type

Reason for the Error ORA-15000: command disallowed by current instance type

The user has issued a command to a conventional RDBMS instance that is only appropriate for an ASM instance. Alternatively, the user has issued a command to an ASM instance that is only appropriate for an RDBMS instance.

How to fix the Error ORA-15000: command disallowed by current instance type ?

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

Connect to the correct instance type and re-issue the command.