In this post, you’ll learn more about the Oracle ErrorNCR-03025: NCRO: Failed to make LIST connection(s) with the details on why you receive this error and the possible solution to fix it.
Oracle Error Description
NCR-03025: NCRO: Failed to make LIST connection(s)
Reason for the Error NCR-03025: NCRO: Failed to make LIST connection(s)
Cause: Failure to make LIST connection(s) usually means one of two things: (1) Address list syntax error, (2) Could not connect with supplied addresses
How to fix the Error NCR-03025: NCRO: Failed to make LIST connection(s) ?
You can fix this error in Oracle by following the below steps
Action: Check address list syntax and make sure that there is a ‘listener’ process for each (or some) of the supplied addresses.