How to fix the Oracle error ORA-12677: Authentication service not supported by database link?

In this post, you’ll learn more about the Oracle ErrorORA-12677: Authentication service not supported by database link with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-12677: Authentication service not supported by database link

Reason for the Error ORA-12677: Authentication service not supported by database link

The authentication service used by the proxy process (database link) was unable to find the adapter being used by the client in its list of authentication mechanisms.

How to fix the Error ORA-12677: Authentication service not supported by database link ?

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

Specify an authentication adapter that is shared by the client and the server being used for the database link.