The Business Applications Services Enablement (BASE) Team is proud to announce the official release of the Microsoft Solution for
Hosted Messaging and Collaboration (HMC) 4.5

HMC 4.5 brings together powerful Microsoft enterprise products such as
Microsoft Exchange Server, Microsoft Windows SharePoint Services, and
now gives you Microsoft Office Communications Server 2007, which
manages all real-time communications such as instant messaging (IM)
and audio and video conferencing.

Other new features and enhancements:

  • Exchange Server 2007 SP1:  Web-based OABs and resource mailboxes
  • Windows SharePoint Services:  multi-tenant People Picker functionality
  • Provisioning capabilities have been expanded:
    • Microsoft Provisioning System (MPS)
      cross data store integration procedures
    • Individual Information Worker (IIW) tenant model
  • New SDK, updated for HMC 4.5

Get started now with HMC 4.5 and HMC 4.5 SDK


If you are running a Vista machine you may have issues viewing the content of the CHM file.

If you encounter this issue you will need to do the following:

  • Download and save the file
  • Right Click on the CHM file
  • Go to properties
  • On the Generals Tab, click Unblock
  • Click Apply

The contents of the CHM file will now appear correctly.


Microsoft Business Applications Services Enablement (BASE) Team