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The system provides alerts and events to help with the management of the cloud. Alerts are notices to an administrator, generally delivered by e-mail, notifying the administrator that an error has occurred in the cloud. Alert behavior is configurable. Events track all of the user and administrator actions in the cloud. For example, every guest VM start creates an associated event. Events are stored in the Management Server’s database. Emails will be sent to administrators under the following circumstances: The Management Server cluster runs low on CPU, memory, or storage resources The Management Server loses heartbeat from a Host for more than 3 minutes The Host cluster runs low on CPU, memory, or storage resources