You can control how logging information for NNTP is written to the Windows NT Event Log. You can specify the types of events that are logged for NNTP and the level of logging information for each event. Viewing the event log for NNTP is useful when troubleshooting problems occur.
Note Diagnostics logging is available only for NNTP properties in the server container.
For more information about diagnostics logging, see Microsoft Exchange Server Maintenance and Troubleshooting.