How to fix the Oracle error ORA-25403: could not reconnect?

In this post, you’ll learn more about the Oracle ErrorORA-25403: could not reconnect with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-25403: could not reconnect

Reason for the Error ORA-25403: could not reconnect

The connection to the database has been lost, and attempts to reconnect have failed.

How to fix the Error ORA-25403: could not reconnect ?

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

Manually reconnect.

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