Event ID - 21166

Event Id21166
SourceISA Server RPC Filter
DescriptionThe Firewall service cannot remove the IPSec configuration for %1 network.
Event InformationAccording 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 : 21166 Of Source :ISA Server RPC Filter

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