How to fix the Oracle error ORA-16782: instance not open for read and write access?

In this post, you’ll learn more about the Oracle ErrorORA-16782: instance not open for read and write access with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-16782: instance not open for read and write access

Reason for the Error ORA-16782: instance not open for read and write access

The database was mounted on an instance but not opened for read and write access.

How to fix the Error ORA-16782: instance not open for read and write access ?

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

For more details, check the status of the database using either Enterprise Manager or the DGMGRL CLI SHOW DATABASE command. If possible, open the instance manually.