How to fix the Oracle error ORA-08261: ora_addr: cannot find name in nameserver?

In this post, you’ll learn more about the Oracle ErrorORA-08261: ora_addr: cannot find name in nameserver with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-08261: ora_addr: cannot find name in nameserver

Reason for the Error ORA-08261: ora_addr: cannot find name in nameserver

The listener nameserver entry for an instance could not be found.

How to fix the Error ORA-08261: ora_addr: cannot find name in nameserver ?

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

Make sure the nameserver is up and running. Additional information gives nameserver’s returned status.