Microsoft SQL-Server Express Edition has the following limitations:
•10 GB maximum data base size -> only a limited number of scans can be stored
•1 GB maximum RAM use -> poor performance in large environments
•4 cores maximum -> poor performance in large environments
8MAN allows you to configure your settings in order to optimize data storage:
Information on actual data base size can be found in the Server Health-Check.
Information on SQL server editions are available from Microsoft.