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Event ID 312: Failed to compose API Set schema extension with status

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

Failed to compose API Set schema extension with status

Event 312
Kernel-Boot
System log
Error
Message and fields (as Event Viewer shows them) 
Failed to compose API Set schema extension with status: …

Machine password change failed

Event 312
Security-Kerberos
System log
Warning
Message and fields (as Event Viewer shows them) 
Machine password change failed
Status: …
Migration Needed: …
Policy: …
Exit Reason: …

Task Scheduler created the Win32 job object for Task Engine "…" .

Event 312
TaskScheduler
TaskScheduler/Operational log
Information
Message and fields (as Event Viewer shows them) 
Task Scheduler created the Win32 job object for Task Engine "…" .

The Network List Manager Cost Interface is not available on this system.

Event 312
Bits-Client
Bits-Client/Operational log
Warning
Message and fields (as Event Viewer shows them) 
The Network List Manager Cost Interface is not available on this system. (This is expected on Windows Server.)  BITS will not consider Transfer Policy when scheduling jobs.