Looking for tools to monitor active connections on a server 2003 network.

Trying to determine where my slowness in the network is coming from.
I have a 2003 Exchange Server, that is also the location for my users drives.
Is there a tool that will show me all active connections and the amount of Bandwidth that each connection is using?

netstat shows me the connections, but i need a little more of a detail of per connection usage.
I have a program called Cacti that shows there is connections that are using 6mbit active all day long.
Most of my users are across a PTP T-1 line at 1.5,  Any assistance is helpful thanks.
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Tingram81Asked:
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Ron MalmsteadConnect With a Mentor Information Services ManagerCommented:
Use NetMon3.0 or Ethereal....you need to mirror a port on your switch to use in premiscuous mode effectively.
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Ron MalmsteadInformation Services ManagerCommented:
Also...if you have alot of exchange users on the remote site....most likely the traffic is authentication traffic from outlook clients.  You can resolve that issue by placing a Global catalog server, domain controller at that location.
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mcsweenSr. Network AdministratorCommented:
For Network Monitor these KB articles may be helpful

http://support.microsoft.com/kb/148942
http://support.microsoft.com/kb/243270
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Tingram81Author Commented:
There are maybe 20 people connection randomly to there Exchange accounts.
And to speed things up for printing, i did locate a new DC at the site , and things have seem to have gotten worse.
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albatros34Commented:
Microsoft provides several tools for analyzing Exchange issues. Try using EXMON which shows all of the client sessions. Also there's ExTRA (Exchange Troubleshooting Analyzer) and ExBPA (Exchange Best Practice Analyzer). It may also be that there's a problem with server load in which case  you can use SPA (Server Performance Analyzer).
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mcsweenSr. Network AdministratorCommented:
Make sure the DC is a Global Catalog and install their local printer queues on the server at that site.  If you have a slow link between sites turn down the replication intervals.  A new ADC isn't going to help slow printing issues unless the printers are installed on the local server.
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