Outbound REST is receiving 407 response rather than the expected 200Issue After cloning an instance the Outbound Rest calls are receiving a 407 responseCauseAn Http status of 407 indicates Proxy Authentication Required see rfc7235 section 3.2There was a problem with the proxy configuration on the source instance. The issue was thus propagated to the other instances during the clone process.ResolutionImporting Proxy settings from an unaffected instance resolved the issue