(SDR 195757) If you rename a remote Microsoft® SQL Server® and you upgrade the BlackBerry® Enterprise Server, the setup application does not complete successfully.

(SDR 188502) The user statistics and server statistics that are explicity and implicity called might result in a heavy load on the BlackBerry Configuration Database.

(SDR 187354) If you upgrade from BlackBerry Enterprise Server version 4.1 SP2, the setup application does not complete successfully if the BlackBerry Configuration Database tables contain non-standard statistics.

Workaround: Run the command "DROP STATISTICS <table_name>.<statistics_name>" on the BlackBerry Configuration Database and try the upgrade again.

(SDR 173464) If you install the BlackBerry database notification system, a certain SELECT statement might cause multiple SQL recomputations, which could increase the CPU utilization of the Microsoft SQL Server.

(SDR 171273) If you try to install the BlackBerry database notification system, the installation fails if you have configured more than one nondefault Microsoft SQL Server.

(SDR 146177) You cannot upgrade the BlackBerry Configuration Database if you turn on database replication.