Event ID 93 — NLB Denial-of-service Protection

Applies To: Windows Server 2008 R2

Network Load Balancing (NLB) Denial-of-service Protection protects an NLB cluster from denial-of-service attacks such as SYN attacks and timer starvation. If protection is not present, the NLB cluster may not perform optimally and the connections in the cluster may fail.

Event Details

Product: Windows Operating System
ID: 93
Source: Microsoft-Windows-NLB
Version: 6.1
Message: NLB cluster [%2]: A SYN attack has subsided.


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

NLB Denial-of-service Protection

NLB Cluster