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Windows 7: Startup Boot Duration Event ID 100 messages intermittently not logged

08 Jul 2017   #1

Windows 7 Pro SP1 64-bit
Startup Boot Duration Event ID 100 messages intermittently not logged

Has anyone figured out why the Event ID 100 events are sometimes not written to the 'Diagnostic-Performance' Event log folder?

I was trying to benchmark my current system configuration by restarting my system multiple times and taking the average of the Boot Duration results before disabling some third party services, and noticed that there was no Event ID 100 log message for the fourth system restart. The first three system restarts logged the Event ID 100 log just fine and I haven't changed anything on my system between each restart.

My System SpecsSystem Spec

 Startup Boot Duration Event ID 100 messages intermittently not logged

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