Do you have power users that you suspect could be dragging
down your Exchange servers or network connection? Or do you want to establish
baseline operating parameters under normal load for your Exchange server? One
way to achieve these goals is to use the Exchange Server User Monitor, which
you can download here.

With the Exchange Server User Monitor, you can view such
details as the versions of Outlook connected systems are using, as well as
whether or not the clients are using Outlook 2003’s new cached mode for
improved performance, network latency, CPU usage, and more.

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To install this utility, download it from Microsoft’s site,
and double-click the downloaded file and follow the pretty typical installation
instructions. Once complete, find the installation directory (default:
C:\Program Files\Exmon\) and locate the file named exmon.reg. This
will add appropriate keys to your system’s registry that allow you to monitor
your Exchange server.

Next, locate the exmon.exe executable in the same folder and
start it up. By default, ExMon scans your Exchange
server every minute to gather its information. You’ll see three tabs at the top
of the window: By User, By Version, and By Clientmon.

By User provides you with a list of users connected at the
time the snapshot was taken along with the percentage of system resources in
use by that user.

By Version shows you a list of the individual client MAPI
versions connected to your server along with the server utilization broken down
by client version.

When users connect with Outlook 2003, you can use the By Clientmon tab to get additional information regarding that
user’s experience with the Exchange server, including latency information.

In addition to viewing current statistics about your server
and users, you can export your data to a CSV file, change the update interval
and more. Download ExMon and give it a try for