Event ID 8016: The system failed to register host (A or AAAA) resource records (RRs) for network adapter
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.
The system failed to register host (A or AAAA) resource records (RRs) for network adapter
Event 8016
DNS-Client
System log
Warning
Message and fields (as Event Viewer shows them)
The system failed to register host (A or AAAA) resource records (RRs) for network adapter
with settings:
Adapter Name : …
Host Name : …
Primary Domain Suffix : …
DNS server list :
…
Sent update to server : …
IP Address(es) :
…
The reason the system could not register these RRs was because the DNS server failed the update request. The most likely cause of this is that the authoritative DNS server required to process this update request has a lock in place on the zone, probably because a zone transfer is in progress.
You can manually retry DNS registration of the network adapter and its settings by typing 'ipconfig /registerdns' at the command prompt. If problems still persist, contact your DNS server or network systems administrator.