H.323 filter: invalid port (%1) configured for listening. Future H.323 incoming calls will be refused.

Details
Product: Internet Security and Acceleration Server
Event ID: 20005
Source: ISA Server H.323 Filter
Version: 4.0.3443.594
Component: ISA Server Services
Message: H.323 filter: invalid port (%1) configured for listening. Future H.323 incoming calls will be refused.
   
Explanation
The port configured for the H.323 filter is either invalid or cannot be used.
   
User Action
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.

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