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Event ID 200: Task Scheduler launched action "…" in instance "…" of task "…"

Windows Event ID Lookup: What Windows event IDs mean: 4625, 4624, 4740, 6008, 41, 7045, 1102 and 3,000 more, with Windows' own message text, the fields and what to check.

Look up a Windows event ID from Event Viewer, a SIEM alert or a log export: what it means, the fields it records, and what to check. Many IDs are used by more than one source (event 41 is both a Kernel-Power crash and a boot error), so every definition is shown, the one people usually mean first. The message text is Windows' own, read from the event providers of Windows 10.0.26200.0, 2026-10-28; the notes are ours, based on Microsoft's security auditing reference.

Try: 4625, 4624, 4740, 6008, 41, 1074, 7045, 1102, 4104, 1149

Task Scheduler launched action "…" in instance "…" of task "…".

Event 200
TaskScheduler
TaskScheduler/Operational log
Information

A scheduled task's action started.

Related: 201, 106

Message and fields (as Event Viewer shows them) 
Task Scheduler launched action "…" in instance "…" of task "…".

Channel … (…) was enabled (…) programmatically.

Event 200
Eventlog
Security / System log
Verbose
Message and fields (as Event Viewer shows them) 
Channel … (…) was enabled (…) programmatically.

A command was submitted to the TPM.

Event 200
Kernel-Boot
System log
Information
Message and fields (as Event Viewer shows them) 
A command was submitted to the TPM.
Command code: ….
Response code: ….
Elapsed time: …ms.

Request servicing time taken by target device.

Event 200
StorPort
System log
Information
Message and fields (as Event Viewer shows them) 
Request servicing time taken by target device.

The Kerberos client could not locate a domain controller for domain

Event 200
Security-Kerberos
System log
Warning
Message and fields (as Event Viewer shows them) 
The Kerberos client could not locate a domain controller for domain …: …. Kerberos authentication requires communicating with a domain controller.

Begin boot start drivers phase

Event 200
Kernel-PnP
System log
Information
Message and fields (as Event Viewer shows them) 
Begin boot start drivers phase

SMB2 Work Item Component Transition

Event 200
SMBServer
SMBServer/Operational log
Information
Message and fields (as Event Viewer shows them) 
SMB2 Work Item Component Transition

While transferring …, BITS encountered error … using … as the HTTP proxy server.

Event 200
Bits-Client
Bits-Client/Operational log
Warning
Message and fields (as Event Viewer shows them) 
While transferring …, BITS encountered error … using … as the HTTP proxy server.  This may indicate a problem with the proxy server or with the client's network configuration.  If this error occurs frequently, then an administrator should investigate. Details: {Job: …}, {owner: …}, {jobid: …}, {URL: …}, {xferId: …}, {proxyServerList: …}, {hr: …}.