| Event Id | 21133 |
| Source | POP 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: The event may have been caused due to by network conditions, or policy enforcement by ISA server. Resolution: Verify there is connectivity from the Message Screener filter computer to the ISA Server computer. |
| Reference Links | Microsoft product: Internet Security and Acceleration Server Version: 4.0.3443.594 Event Source: POP Intrusion Detection Filter Event ID: 21133 |
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