![BlackBerry Development : The BlackBerry Mobile Data System - The BlackBerry Enterprise Server, BlackBerry MDS Overview - Android, Windows Phone, iPhone, iPad, Windows Mobile, BlackBerry, Java Mobile, SymbianOS, WebOS, MeeGo, BaDa Tutorials BlackBerry Development : The BlackBerry Mobile Data System - The BlackBerry Enterprise Server, BlackBerry MDS Overview - Android, Windows Phone, iPhone, iPad, Windows Mobile, BlackBerry, Java Mobile, SymbianOS, WebOS, MeeGo, BaDa Tutorials](http://guides.wmlcloud.com/images/012013/The%20BlackBerry%20Enterprise%20Server,%20BlackBerry%20MDS%20Overview_1.jpg)
BlackBerry Development : The BlackBerry Mobile Data System - The BlackBerry Enterprise Server, BlackBerry MDS Overview - Android, Windows Phone, iPhone, iPad, Windows Mobile, BlackBerry, Java Mobile, SymbianOS, WebOS, MeeGo, BaDa Tutorials
Error: 72304140 : Error occurred while activating BlackBerry user. BES Server cannot find Exchange MailStore User.
![RIM Releases Service Pack 4 for BlackBerry Enterprise Server Version 5 | Blackberry, Server, Enterprise RIM Releases Service Pack 4 for BlackBerry Enterprise Server Version 5 | Blackberry, Server, Enterprise](https://i.pinimg.com/736x/b6/54/e6/b654e6207a27cadb462db3f6d112f1cd--blackberry-enterprise-server-rim.jpg)