How to fix the Oracle error ORA-19853: error preparing auxiliary instance string (error string)?

In this post, you’ll learn more about the Oracle ErrorORA-19853: error preparing auxiliary instance string (error string) with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-19853: error preparing auxiliary instance string (error string)

Reason for the Error ORA-19853: error preparing auxiliary instance string (error string)

An error was received while managing the automatic auxiliary instance.

How to fix the Error ORA-19853: error preparing auxiliary instance string (error string) ?

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

Check the accompanying errors.