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Event ID 3003: DNS Cache lookup operation for the name … and for the type … is completed with result

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

DNS Cache lookup operation for the name … and for the type … is completed with result

Event 3003
DNS-Client
System log
Information
Message and fields (as Event Viewer shows them) 
DNS Cache lookup operation for the name … and for the type … is completed with result …

SMB1 server service has been automatically uninstalled.n

Event 3003
SMBServer
SMBServer/Operational log
Information
Message and fields (as Event Viewer shows them) 
SMB1 server service has been automatically uninstalled.n
Guidance:

This event indicates that after detecting no attempts to contact this computer via the SMB1 protocol for … online days, the SMB1 Server service was automatically uninstalled.