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Event ID 8004: The system failed to register network adapter with settings:

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

The system failed to register network adapter with settings:

Event 8004
DNS-Client
System log
Warning
Message and fields (as Event Viewer shows them)
The system failed to register network adapter with settings:

           Adapter Name : …
           Host Name : …
           Adapter-specific Domain Suffix : …
           DNS server list :
             …
           Sent update to server : …
           IP Address(es) :
             …

The cause of this DNS registration failure was because of DNS server failure. This may be due to a zone transfer that has locked the DNS server for the applicable zone that your computer needs to register itself with.

(The applicable zone should typically correspond to the Adapter-specific Domain Suffix that was indicated above.) You can manually retry registration of the network adapter and its settings by typing 'ipconfig /registerdns' at the command prompt. If problems still persist, contact your network systems administrator to verify network conditions.

Completed manual processing of policy for computer … in … seconds.

Event 8004
GroupPolicy
System log
Information
Message and fields (as Event Viewer shows them)
Completed manual processing of policy for computer … in … seconds.