Knowledge BaseTroubleshootingSSH connection to a host fails with “This key is not known by any other names”

SSH connection to a host fails with “This key is not known by any other names”

TroubleshootingZCF · CloudVersions3.x-5.5.30Article IDKB-100285Updated2026-08-19

Issue/Introduction

This article describes how to troubleshoot an SSH connection to a host that fails with This key is not known by any other names. It applies to the initial diagnosis and resolution of similar issues in ZStack Cloud.

Environment

  • Product: ZCF
  • Component: Cloud
  • Version: 3.x-5.5.30

Symptoms

An SSH connection to the host fails with This key is not known by any other names.

Possible causes

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SSH connection to a host fails with “This key is not known by any other names” | KB-100285 | ZStack Resource Center