Surpriseremovalok !!top!! Jun 2026

By correctly implementing and reporting the SurpriseRemovalOK status, hardware manufacturers ensure that their devices provide a seamless, "plug-and-play" experience that doesn't punish the user for an accidental unplug.

: Your driver must support this specific PnP IRP (I/O Request Packet). Once received, the driver should stop all data transfers and wait for the subsequent IRP_MN_REMOVE_DEVICE . surpriseremovalok

Attribute Tokens in SDEL - Windows drivers | Microsoft Learn surpriseremovalok