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Event ID 4697: A service was installed in the system

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

A service was installed in the system.

Event 4697
Security-Auditing
Security log
Audit Success

A service was installed (Security log version of System 7045).

What to check: Unknown services, especially with a path in a temp or user folder, are a common persistence method.

Related: 7045

Message and fields (as Event Viewer shows them) 
A service was installed in the system.

Subject:
	Security ID:		…
	Account Name:		…
	Account Domain:		…
	Logon ID:		…

Service Information:
	Service Name: 		…
	Service File Name:	…
	Service Type: 		…
	Service Start Type:	…
	Service Account: 		…