There are five different PowerCLI commands that are used to update the configuration of an existing desktop pool:
The Update-AutomaticLinkedClonePool command: This is used to update the configuration of an existing linked-clone pool.
The Update-AutomaticPool command: This is used to update the configuration of an existing full-clone pool.
The Update-ManualPool command: This is used to update the configuration of an existing manually provisioned pool.
The Update-ManualUnmanagedPool command: This is used to update the configuration of an existing manually provisioned unmanaged pool.
The Update-TerminalServerPool command: This is used to update the configuration of an existing Windows RDS pool.