How to fix the Oracle error ORA-01643: system tablespace can not be made read-only?

In this post, you’ll learn more about the Oracle ErrorORA-01643: system tablespace can not be made read-only with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-01643: system tablespace can not be made read-only

Reason for the Error ORA-01643: system tablespace can not be made read-only

Attempting to set the system tablespace to read-only. The system tablespace must remain read write for database operation.

How to fix the Error ORA-01643: system tablespace can not be made read-only ?

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

Leave system tablespace read write.