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Unloading a NetDMA Provider Driver

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Note  The NetDMA interface is not supported in Windows 8 and later.

The Plug and Play (PnP) manager calls a NetDMA provider driver's Unload routine after all of the dynamic memory access (DMA) engines that the driver manages have been removed. For more information about removing DMA engines, see Deregistering a NetDMA Provider.

In Unload, the NetDMA provider driver releases any resources that it allocated in its DriverEntry routine. For more information about the NetDMA provider driver's DriverEntry routine, see Initializing a NetDMA Provider Driver.