How to fix the Oracle error TNS-04005: Unable to resolve address for string.?

In this post, you’ll learn more about the Oracle ErrorTNS-04005: Unable to resolve address for string. with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

TNS-04005: Unable to resolve address for string.

Reason for the Error TNS-04005: Unable to resolve address for string.

Cause: The alias name supplied with the ADMINISTER command could not be resolved to an Oracle Connection Manager address.

How to fix the Error TNS-04005: Unable to resolve address for string. ?

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

Action: Check if your an entry for the alias is present in either CMAN.ORA file or in TNSNAMES.ORA file.