Event ID - 21165

Event Id21165
SourceDNS Intrusion Detection Filter
DescriptionThe Firewall service cannot create the IPSec configuration for the %1 network
Event Information According to Microsoft :
CAUSE :
NetSH failed to change the IPSec policy on the machine.

SOLUTION :
Verify that "IPSec services" (PolicyAgent) is running.Look for events from the PolicyAgent service.If all else fails, restart the ISA server computer.
Reference LinksEvent ID: 21165 Of Source ID:DNS Intrusion Detection Filter

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