| Event Id | 21133 |
| Source | DNS Intrusion Detection Filter |
| Description | Microsoft ISA Server SMTP Message Screener timed-out while reading the configuration from the ISA Server computer. The default configuration will be used. |
| Event Information |
According to Microsoft : CAUSE : The event may have been caused due to by network conditions, or policy enforcement by ISA server. SOLUTION : Verify there is connectivity from the Message Screener filter computer to the ISA Server computer |
| Reference Links | Event ID: 21133 Of Source ID:DNS Intrusion Detection Filter |
Catch threats immediately
We work side-by-side with you to rapidly detect cyberthreats
and thwart attacks before they cause damage.