HRESULT 0x887A0028 (DXGI_ERROR_SESSION

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The output duplication has been turned off because the Windows session ended or was disconnected. This happens when a remote user disconnects, or when "switch user" is used locally.

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DXGI_ERROR_WAIT_TIMEOUT	DXGI_ERROR_RESTRICT_TO_OUTPUT_STALE

DXGI_ERROR_SESSION_DISCONNECTED

DXGI_ERROR_SESSION_DISCONNECTED means that the Remote Desktop Services session is currently disconnected. Desktop duplication cannot be created or continued for that disconnected session until the session state changes.

What to do

Stop or pause capture work cleanly and release resources that are tied to the disconnected output.
Wait for a session reconnect or an explicit application policy decision before attempting to create duplication interfaces again.
Log the session transition separately from graphics-device failures so operators do not diagnose a normal remote-session change as a GPU crash.

Avoid tight recreation loops

Recreating the same duplication interface while the session remains disconnected cannot restore capture. Use a session-state notification or controlled retry interval instead.

Microsoft: IDXGIOutput1::DuplicateOutput · Microsoft: DXGI error codes

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