From devices like a laptop to smartphones and other external displays, Miracast made things relatively easy. Miracast introduced itself as the "HDMI over Wi-Fi" and eventually became a standard for wireless screen mirroring. As it proved quite helpful to cast a small screen onto a more prominent display to enable a condition where more people could see it, the concept transitioned to wireless technology. We recommend that you continue using this setting (if you used it previously) as Miracast will fall back to regular Miracast if the infrastructure connection doesn't work.Device mirroring has been a concept that started gaining popularity since it was covered through wires. This removes the security restriction that was previously missing from Miracast. This is because Miracast over Infrastructure only works when both devices are connected to the same enterprise network. The InBoxApps/WirelessProjection/PinRequired setting in the SurfaceHub configuration service provider (CSP) isn't required for Miracast over Infrastructure. Users who are guests to a particular location and don’t have access to the enterprise network will continue to connect using the Wi-Fi Direct connection method. Instead, the functionality is complementary, and provides an advantage to users who are part of the enterprise network. It's important to note that Miracast over Infrastructure isn't a replacement for standard Miracast. Windows 10 PCs must be connected to the same enterprise network via Ethernet or a secure Wi-Fi connection.You can achieve this by allowing your Surface Hub to register automatically via Dynamic DNS or manually creating an A or AAAA record for the Surface Hub's hostname. The DNS Hostname (device name) of the Surface Hub or device must be resolvable via your DNS servers.As a Miracast source, the Windows PC or phone must be connected to the same enterprise network via Ethernet or a secure Wi-Fi connection.If the Surface Hub or device is connected to an open Wi-Fi connection, Miracast over Infrastructure will disable itself. As a Miracast receiver, the Surface Hub or device must be connected to your enterprise network via Ethernet or a secure Wi-Fi connection (for example, using WPA2-PSK or WPA2-Enterprise security).A Windows PC or phone can act as a Miracast over Infrastructure source. A Surface Hub or Windows PC can act as a Miracast over Infrastructure receiver.To take advantage of it in your environment, you need to ensure the following is true within your deployment: You automatically have this feature if you have a Surface Hub or other Windows 10/11 device. If the name isn't resolvable via either DNS method, Windows returns to establishing the Miracast session using the standard Wi-Fi direct connection.įor more information on the connection negotiation sequence, see Miracast over Infrastructure Connection Establishment Protocol (MS-MICE) Enabling Miracast over Infrastructure When the user selects a Miracast receiver, Windows attempts to resolve the device's hostname via standard DNS and multicast DNS (mDNS). When the list of Miracast receivers is populated, Windows identifies that the receiver can support a connection over the infrastructure. Users attempt to connect to a Miracast receiver through their Wi-Fi adapter. It uses an existing connection, which reduces the time to connect and provides a stable stream.
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