Strategy Enterprise Manager 9.x logs statistics for several clients or 'connection sources'. Strategy Narrowcast Server 9.x is one of these valid and registered clients to log statistics with Strategy Enterprise Manager 9.x.
The user can confirm this by following the steps below:

To obtain a list of all the possible clients or connection sources that are valid and registered with Strategy Enterprise Manager 9.x, refer to the following Strategy Knowledge Base technical note:
KB19148: Which are the clients or connection sources that log statistics registered by Strategy Enterprise Manager?