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How to resolve Error: "Failed to resolve host name [IP address] no such host is known." or "The host key for this server was not found but another type of key exists."

A change on the device has caused a host key mismatch.

Please Note: This guide is for Nipper (v2) only. 

  • Navigate to C:\Users(current user)\.ssh on the machine you have Nipper installed on and open the known_hosts file as administrator.
  • Remove the lines associated with devices mentioned in the error.
  • Save and close the file.
  • If you use the Audit Schedule feature then repeat the above steps for
    • C:\Windows\System32\config\systemprofile\.ssh