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The text measure #43952484# refers to an internal driver quality measure ID that Microsoft uses when evaluating drivers during Gradual Rollout. Measures are telemetry-based quality checks (systemic or device-class) that monitor driver installation success and post-install reliability.
When a measure associated with the driver does not meet its passing criteria, Microsoft may pause the Gradual Rollout for investigation. In this case:
- The pause is triggered because that specific measure failed or is under investigation.
- The message explicitly states that no action from the partner is required at this time.
- While paused, the driver’s throttled percentage shows 0% and rollout does not progress, so Windows Update will not advance this driver further until Microsoft completes its investigation and either resumes or cancels the rollout.
The measure ID itself is an internal reference and is not documented publicly; it is only used by Microsoft to identify which quality check caused the pause.
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