Fixed issues

BlackBerry Alert Service
SDR 108473
In the BlackBerry Enterprise Server Version 4.0 SP6, the BlackBerry Alert Service removed the last digit of the IP address when configuring notifications that you created. As a result, notifications were not displayed on the console.
In the BlackBerry Enterprise Server Version 4.1. SP2 HF1 and later for Microsoft Exchange, this issue is resolved.
BlackBerry Messaging Agent

SDR 102270
In the BlackBerry Enterprise Server Version 4.1 and later, when the BlackBerry Messaging Agent performed an address lookup, it might have tried to retrieve certain information in the wrong format and The GetAddressLookup() message occured.
In the BlackBerry Enterprise Server Version 4.1. SP2 HF1 and later for Microsoft Exchange, this issue is resolved.
BlackBerry Policy Server

SDR 107317
In the BlackBerry Enterprise Server Version 4.1 SP2, if a user downloaded and installed an application from the internet and the same application was assigned in a software configuration update, the BlackBerry Enterprise Server might have stopped responding.
In the BlackBerry Enterprise Server Version 4.1. SP2 HF1 and later for Microsoft Exchange, this issue is resolved.

SDR 103085
In the BlackBerry Enterprise Server Version 4.1 SP2, if a user had more than 500 applications installed on a BlackBerry device, then you displayed the properties of this user account, the BlackBerry Policy Server or the BlackBerry Manager might have stopped responding.
In the BlackBerry Enterprise Server Version 4.1. SP2 HF1 and later for Microsoft Exchange, this issue is resolved.

You've just got to love this...who on earth managed to find the time to install 500 aps on a device...or do you think RIM just did some 'destruction testing' trying to break it.

I just realized this Hotfix was available. Is it recommended to install it?