Event ID - 21164

Event Id21164
SourcePOP Intrusion Detection Filter
DescriptionThe Firewall service detected that the dial-up connection %1 was assigned an IP address from network %2. This may indicate a configuration error.
Event InformationAccording To Microsoft:
This event occurs when a dial-up connection was assigned an IP address that is already included in another network. This could indicate a configuration error or a possible spoof attack.

Check the IP address ranges of the dial-up network, and verify the configuration with the service provider (ISP).
Reference LinksMicrosoft product: Internet Security and Acceleration Server Version: 4.0.3443.594 Event Source: POP Intrusion Detection Filter Event ID: 21164

Catch threats immediately

We work side-by-side with you to rapidly detect cyberthreats
and thwart attacks before they cause damage.

See what we caught

Did this information help you to resolve the problem?

Yes: My problem was resolved.
No: The information was not helpful / Partially helpful.