This initialization is similar to the initialization of any other miniport adapter. In MiniportInitializeEx, the intermediate driver performs the operations required to initialize a virtual miniport. In Control Panel\Device Manager, right-click on Wireless LAN device and click uninstall. ONLY IF IT’S AN UPDATED DRIVER, download the Wireless LAN software file for your system. The driver passed this pointer to the NdisIMInitializeDeviceInstanceEx function at the DeviceContext parameter. How to uninstall Microsoft Virtual WiFi Miniport adaptors from the Device Manager (Windows 7 Pro) 1. ![]() The IMDeviceInstanceContext member of the structure specifies a pointer to the context area for a virtual device. NDIS passes initialization parameters to MiniportInitializeEx in an NDIS_MINIPORT_INIT_PARAMETERS structure at MiniportInitParameters. If the intermediate driver provides more than one virtual miniport, the driver must call NdisIMInitializeDeviceInstanceEx for each virtual miniport that it makes available. The call to MiniportInitializeEx can be in the context of NdisIMInitializeDeviceInstanceEx if the Plug and Play manager starts the virtual device before NdisIMInitializeDeviceInstanceEx returns. ![]() After the intermediate driver calls NdisIMInitializeDeviceInstanceEx and the Plug an Play manager requests NDIS to start the virtual device, NDIS calls the driver's MiniportInitializeEx function. The intermediate driver usually makes this call from its ProtocolBindAdapterEx function. To initiate the initialization of a virtual miniport, an intermediate driver calls the NdisIMInitializeDeviceInstanceEx function.
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