How to fix the Oracle error ORA-28150: proxy not authorized to connect as client?

In this post, you’ll learn more about the Oracle ErrorORA-28150: proxy not authorized to connect as client with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-28150: proxy not authorized to connect as client

Reason for the Error ORA-28150: proxy not authorized to connect as client

A proxy user attempted to connect as a client, but the proxy was not authorized to act on behalf of the client.

How to fix the Error ORA-28150: proxy not authorized to connect as client ?

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

Grant the proxy user permission to perform actions on behalf of the client by using the ALTER USER … GRANT CONNECT command.