When working with VMware vSphere AutoDeploy and creating or editing rules I sometimes get the following error when running a Get-DeployRule: “Failed to convert ItemList to VI Object: System.NullReferenceException: Object reference not set to an instance of an object” (See screenshot).
Often I also have one or more rules not working correctly then. Turns out that an unsupported character had been using when creating the rule. This sometimes happens when using your comma’s or spaces incorrectly. Then the command seems to work but the properties end up in the incorrect fields. [Read more...]