Skip to content

Event ID 8027: The system failed to update and remove pointer (PTR) 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.

Try: 4625, 4624, 4740, 6008, 41, 1074, 7045, 1102, 4104, 1149

The system failed to update and remove pointer (PTR) resource records (RRs) for network adapter

Event 8027
DNS-Client
System log
Information
Message and fields (as Event Viewer shows them)
The system failed to update and remove pointer (PTR) resource records (RRs) for network adapter
with settings:

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

The system could not remove these PTR RRs because the update request timed out while awaiting a response from the DNS server. This is probably because the DNS server authoritative for the zone that requires update is not running.