FIXME: Put here all sorts of troubleshooting issues

Unable to deploy and start the instances

Management Controller Failure and Replacement

System VM

System VMs are not starting up:

• Check if the system vm template you've seeded is appropriate to the CloudStack instance you're running. Check vm_template and guest_os tables.
  For a discovered host, for example XcpServerDiscoverer checks version, capability etc., a system vm template mapping is hard coded within source code for example in CitrixHelper. These mappings should be checked and edited as needed.