In the download section of the Microsoft Exchange website, you can find a complete package of exchange tools. It evens contains the OWA admin tool :D
The following tools are included:
Add Root Certificate
Address Rewrite
Application Analyzer 2003 for Lotus Notes
ArchiveSink
Authoritative Restore
AUTD Binding Cleanup*
Auto Accept Agent
Badmail Deletion and Archiving
E-Mail Journaling Advanced Configuration
Importer for Lotus cc:Mail Archives
Disable Certificate Verification
Error Code Look-up
Exchange Server Best Practices Analyzer
Exchange Server Domain Rename Fixup
Exchange Server Profile Update
Exchange Server Stress and Performance 2003
Inter-Organization Replication
Exchange Deployment Tools
Mailbox Merge Wizard (ExMerge)
GUIDGen
Jetstress*
LegacyDN
Load Simulator 2003*
Information Store Viewer (MDBVU32)
Management Pack
Management Pack Configuration Wizard
MTA Check
Outlook Web Access Web Administration
Search Administrative Tool (MSSearch)*
SMTPDiag
SMTP Internet Protocol Restriction and Accept/Deny List Configuration
Up-To-Date Notifications Troubleshooting
WinRoute
The tools marked with a *, are updated since the creation of the package. To get the latest version of those tools, you'll have to manualy download that specific tool from the website.
download