Event ID 5509 — DNS Server Message Processing

Applies To: Windows Server 2008 R2

These events represent problems processing data received by the DNS server that may or may not have a negative effect on server functionality.

Event Details

Product: Windows Operating System
ID: 5509
Source: Microsoft-Windows-DNS-Server-Service
Version: 6.1
Message: The DNS server encountered an invalid DNS update message from %1. The packet was rejected. The event data contains the DNS packet.


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

DNS Server Message Processing

DNS Infrastructure