Discovery troubleshooting The Knowledge Base on Hi contains several articles to help you troubleshoot discovery issues. There are also a number of error messages that can help you figure out what went wrong with a failed discovery. Discovery Troubleshooting Guide KB0535181 Start here if you are experiencing symptoms, such as the inability for Discovery to classify a discovered host, or the Shazzam probe not finding certain types of devices. Discovery Error Messages Discovery error messagesStart here for a list of error messages and possible solutions. Discovery error messagesError messages and warnings in the system are documented to allow users to recognize the issues they are having and to take steps to resolve their problems.