How to fix the Oracle error CLSGN-00136: Query for a host address failed.?

In this post, you’ll learn more about the Oracle ErrorCLSGN-00136: Query for a host address failed. with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

CLSGN-00136: Query for a host address failed.

Reason for the Error CLSGN-00136: Query for a host address failed.

An address was not found for the specified host.

How to fix the Error CLSGN-00136: Query for a host address failed. ?

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

Register the host using srvctl.

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