Log Name: Microsoft-Windows-Kernel-EventTracing/Admin
Source: Microsoft-Windows-Kernel-EventTracing
Date: 10/02/2017 10:09:26
Event ID: 2
Task Category: Session
Level: Error
Keywords: Session
User: SYSTEM
Computer: server.domain.local
Description:
Session "FlightLog" failed to start with the following error: 0xC0000035
Event Xml:



2
0
2
2
12
0x8000000000000010

112


Microsoft-Windows-Kernel-EventTracing/Admin
server.domain.local



FlightLog


3221225525
16809993



Coincides with:
Session "SpellerLog" failed to start with the following error: 0xC0000035
Session "FeaturizationDiagnosticsLog" failed to start with the following error: 0xC0000035
Session "ShardRelevancyLog" failed to start with the following error: 0xC0000035
Session "SuggestionsLog" failed to start with the following error: 0xC0000035
Session "RelevanceRankLog" failed to start with the following error: 0xC0000035
Session "RemoteCommandExecutionLog" failed to start with the following error: 0xC0000035
Session "ExceptionLog" failed to start with the following error: 0xC0000035
Session "QueryRequestLog" failed to start with the following error: 0xC0000035

---

We also see, in quick succession:

Session "RemoteCommandExecutionLog" failed to start with the following error: 0xC0000035
Session "RelevanceRankLog" failed to start with the following error: 0xC0000035
Session "QueryRequestLog" failed to start with the following error: 0xC0000035
Session "ExceptionLog" failed to start with the following error: 0xC0000035
Session "SuggestionsLog" failed to start with the following error: 0xC0000035
Session "SpellerLog" failed to start with the following error: 0xC0000035
Session "FlightLog" failed to start with the following error: 0xC0000035

---