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Event ID 8001: Unable to start DNS Client service

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

Unable to start DNS Client service.

Event 8001
DNS-Client
System log
Error
Message and fields (as Event Viewer shows them) 
Unable to start DNS Client service. Could not start the Remote Procedure Call (RPC) interface for this service. To correct the problem, you may restart the RPC and DNS Client services. To do so, use the following commands at a command prompt: (1) type 'net start rpc' to start the RPC service, and (2) type 'net start dnscache' to start the DNS Client service. See event details for specific error code information.

Completed user logon policy processing for … in … seconds.

Event 8001
GroupPolicy
System log
Information
Message and fields (as Event Viewer shows them) 
Completed user logon policy processing for … in … seconds.