Update Desktop Pool Spare Size

This workflow changes the number of spare machines in the pool that are available and powered on for new users.

Scope	Works only for automated pools.
Inputs/parameters	Pod, pool ID, or the number of spare machines to have ready, which is an integer.
Results	Changes the number of spare virtual machines to keep ready and powered on for new users. Note: Consider whether your company's hardware resources are sufficient before increasing this number.