Microsoft Azure Enables Automatic Scaling For A Pool

You cannot enable automatic scaling on a Pool if a resize operation is inprogress on the Pool. If automatic scaling of the Pool is currently disabled,you must specify a valid autoscale formula as part of the request. If automaticscaling of the Pool is already enabled, you may specify a new autoscale formulaand/or a new evaluation interval. You cannot call this API for the same Poolmore than once every 30 seconds.