Service availability by region:

RegionShared Session HostVDI Session HostGPU Session HostStorage Layer
Central USAvailableAvailableNot AvailableAvailable
East USAvailableAvailableAvailableAvailable
East US 2AvailableAvailableAvailableAvailable
North Central USAvailableAvailableLimitedLimited
South Central USAvailableAvailableAvailableAvailable
West Central USLimitedLimitedNot AvailableLimited
West USAvailableAvailableLimitedAvailable
West US 2AvailableAvailableAvailableAvailable