How to fix the error ORA-00103: invalid network protocol; reserved for use by dispatchers?

In this post, you’ll learn more about the Oracle ErrorORA-00103: invalid network protocol; reserved for use by dispatchers with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-00103: invalid network protocol; reserved for use by dispatchers

Reason for the Error ORA-00103: invalid network protocol; reserved for use by dispatchers

The network specified in the SQL*Net connect string is reserved for use by the dispatchers.

How to fix the Error ORA-00103: invalid network protocol; reserved for use by dispatchers ?

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

Specify other network protocols in the connection string.