Event ID - 66

Event Id66
SourceNNTPSVC
DescriptionThe server is not expiring articles in the %1 group. The cause might be a failure to delete some physical files or a hash table. The Data box below contains the number of failures.
Event InformationCheck the Description box of the Event Details dialog box in Event Viewer for a description of the error. For more information about using Event Viewer, see the Windows NT Server documentation. If the problem continues, configure the server for No Posting in the NNTP Settings property sheet in Internet Service Manager.
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