Exchange Administrators Tools

Below are some tools which each exchange administrator has to know:

MFCMAPI

Telnet

The Exchange Pre-Deployment Analyzer

The Exchange Best Practices Analyzer

The Mailflow Troubleshooter

Remote Connectivity Analyzer

Message Tracking

Queue Viewer

Performance Troubleshooter

The Exchange Management tools

Jetstress

Wireshark

Network Monitor

NK2Edit

Microsoft SPF Record Wizard

MxToolbox

PFDavAdmin

ExFolders (PFDavAdmin in Exchange 2010)

You can also find this article here.