A bug in SQL Server causes it to log this message every time a certain extended events function is called. Spotlight on SQL Server now uses extended events to gather certain data from SQL Server. Extend events is the recommended method by Microsoft as a replacement for using a SQL Profiler trace.
This message can be ignored because it is informational only. It can be fixed by applying a Cumulative Update to the problematic instance. See http://support.microsoft.com/kb/2878139
This information is listed in our Release Notes.
