How to fix the Oracle error TNS-00021: INTCTL: missing INTERCHANGE_DATA in INTCHG.ORA?

In this post, you’ll learn more about the Oracle ErrorTNS-00021: INTCTL: missing INTERCHANGE_DATA in INTCHG.ORA with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

TNS-00021: INTCTL: missing INTERCHANGE_DATA in INTCHG.ORA

Reason for the Error TNS-00021: INTCTL: missing INTERCHANGE_DATA in INTCHG.ORA

Cause: INTCHG.ORA does not contain an INTERCHANGE_DATA component.

How to fix the Error TNS-00021: INTCTL: missing INTERCHANGE_DATA in INTCHG.ORA ?

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

Action: Define the correct data for the Connection Manager, then restart the INTCTL program.