Event ID - 20005

Event Id20005
SourceDNS Intrusion Detection Filter
DescriptionH.323 filter: invalid port (%1) configured for listening. Future H.323 incoming calls will be refused.
Event Information According to Microsoft :
CAUSE :
The port configured for the H.323 filter is either invalid or cannot be used.

SOLUTION :
Check that the port is in the valid port range and that it is not in use by any other application. For details about configuring the H.323 filter, see topic "To configure H.232 filter" in ISA Server help
Reference LinksEvent id: 20005 Source id: DNS Intrusion Detection Filter

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