Event ID - 20066

Event Id20066
SourceDNS Intrusion Detection Filter
DescriptionRegistration with the H.323 Gatekeeper at address %1 failed. This will prevent inbound calls.
Event Information According to Microsoft :
CAUSE :
Communication with the Gatekeeper could not be established

SOLUTION :
Check that the Gatekeeper details are configured correctly and that there is network connectivity. For details about configuring Gatekeeper details, see topic "To configure H.323 filter" in ISA Server Help.
Reference LinksEvent id: 20066 Source id: DNS Intrusion Detection Filter

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