How to fix the Oracle error DGM-16954: Unable to open and lock the Observer configuration file?

In this post, you’ll learn more about the Oracle ErrorDGM-16954: Unable to open and lock the Observer configuration file with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

DGM-16954: Unable to open and lock the Observer configuration file

Reason for the Error DGM-16954: Unable to open and lock the Observer configuration file

The Observer configuration file cannot be opened or cannot be locked for exclusive access.

How to fix the Error DGM-16954: Unable to open and lock the Observer configuration file ?

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

Make sure the Observer has the correct operating system privileges to write the file and there is no other Observer that is using the same file. Try the command again.