SwDeviceCreate returns 0x800700b7 when open an existed device about rustdeskidddriver HOT 5 OPEN

Sorry, I'm not familiar with Windows drivers.

When a client app calls SwDeviceCreate for a software device that was previously marked for SwDeviceLifetimeParentPresent,

I can't even understand why SwDeviceCreate can be passed a Non-Null software device handle.
I see phSwDevice is a pure output for SwDeviceCreate. SwDeviceSetLifetime requires a software device handle to set the lifetime.

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You can use SwDeviceSetLifetime to set the lifetime of the software device to SwDeviceLifetimeParentPresent.

Is it possible for you to call SwDeviceSetLifetime after SwDeviceCreate?

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SwDeviceCreate failed and the out of phSwDevice handle is null, but SwDeviceSetLifetime requires that handle.
The software device is abandoned and can not recreated again, even can not be removed completely in windows safemode.

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https://github.com/fufesou/RustDeskIddDriver/releases/tag/v0.4

SwDeviceLifetimeParentPresent works fine for me.

I cannot understand why SwDeviceCreate returns 0x800700b7.

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microsoft/Windows-driver-samples#858 (comment)

The most likely reason is that, as he said, another running process holds the SwDevice handle.

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