Myriad of drivers that were rolled back or re-installed within 2 days of installation
Description
This measure is tracking whether a driver is rolled back or succeeded by another driver install (not initiated by WU) within 2 days of the installation. Such actions signal that user is having problems with a driver severe enough that they need to use a different driver.
Measure attributes
| Attribute | Value |
|---|---|
| Audience | Devices targeted by the driver |
| Time period | 7-day sliding window |
| Measurement criteria | Machine count |
| Minimum population | 5,000 Devices |
| Passing criteria | <= 10 rollbacks per 10,000 devices that installed the driver |
| Measure ID | 33480951 |
Calculation
The measure aggregates telemetry from a 7-day sliding window into the Ratio of Driver Rollbacks/Another Driver Installs per 10,000 devices that installed this driver
Total Devices That Rolled Back Or Installed Another Driver = Count(devices that rolled back or installed another driver within 2 days from the driver installation)
Total Devices = Count(Devices that installed the driver and used it for 2 days)
Final Calculation
Ratio of Driver Rollbacks/Another Driver Installs = Total Devices That Rolled Back Or Installed Another Driver * 10,000 / Total Devices
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