Event ID 4021 — DNS Server Informational Events

Applies To: Windows Server 2008 R2

These event are informational only, and they do not signify any health state of the DNS server. These events are logged when the server is operating normally.

Event Details

Product: Windows Operating System
ID: 4021
Source: Microsoft-Windows-DNS-Server-Service
Version: 6.1
Message: The DNS server has completed background loading of zone %1. The zone is now available for updates and zone transfers if allowed by the zone's configuration. It took %2 seconds to load the zone.


This is a normal condition. No further action is required.

DNS Server Informational Events

DNS Infrastructure