Public preview: Customer-controlled maintenance

Customers can use configurable maintenance windows to schedule gateway maintenance at a time that is most convenient for their business. Currently customer-controlled maintenance windows are available in public preview for 4 types of gateway resources: (1) Virtual Network Gateway in ExpressRoute service (2) Virtual Network Gateway in VPN Gateway service (3) VPN Gateway (Site-to-Site) in Virtual WAN service (4) ExpressRoute Gateway in Virtual WAN service. Learn more about customer controlled maintenance for [ExpressRoute](https://go.microsoft.com/fwlink/?linkid=2249540), [VPN](https://go.microsoft.com/fwlink/?linkid=2249258) and [Virtual WAN](https://go.microsoft.com/fwlink/?linkid=2249359). * VPN Gateway * Azure ExpressRoute * Virtual WAN * Features * Microsoft Ignite * [ Azure ExpressRoute](https://azure.microsoft.com/en-gb/products/expressroute/) * [ Virtual WAN](https://azure.microsoft.com/en-gb/products/virtual-wan/) * [ VPN Gateway](https://azure.microsoft.com/en-gb/products/vpn-gateway/)