How to fix the Oracle error TNS-00006: INTCTL: HOST variable is not defined?

In this post, you’ll learn more about the Oracle ErrorTNS-00006: INTCTL: HOST variable is not defined with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

TNS-00006: INTCTL: HOST variable is not defined

Reason for the Error TNS-00006: INTCTL: HOST variable is not defined

Cause: The HOST variable was not set.

How to fix the Error TNS-00006: INTCTL: HOST variable is not defined ?

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

Action: Set the variable HOST properly and restart the INTCTL program.