MS Exchange 2007 upgrade memo

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This short list should apply to a situation where an organization with one domain and a simple Exchange environment wants to upgrade from Exchange 2003 to 2007. It assumes everything will be installed on a single server with a fresh installation of Windows 2003 R2, joined as a member server into the domain.

Software requirements:

  • Microsoft Internet Information Server
  • .NET Framework 2.0 SP1
  • Windows PowerShell

Active Directory requirements:

  • Forest Functional Level must be at least 2003
  • Domain Function Level must be at least 2003
  • Schema Master must be a Windows 2003 SP1 or newer
  • Operations Master must be a Windows 2003 SP1 or newer
  • Echange Server operation mode must be Native

To prepare Active Directory, the following operations must be performed with the Setup.exe that is included in the Exchange Server installation media. Just run them from the command line.

  1. setup /pl — short for /PrepareLegacyExchangePermissions
  2. setup /ps — short for /PrepareSchema
  3. setup /p — short for /PrepareAD
  4. setup /pd — short for /PrepareDomain

After that, you are ready to run setup and start migrating mailboxes.

The default installation installs Outlook Web Access into your Default Web Site under /owa. A quick way to forward incoming http and https request to the server root directly into OWA login page can be done this way:

  1. Disable “Require secure channel (SSL)” from the Default Web Site properties
  2. Enable “Require secure channel (SSL)” from the /owa folder properties
  3. Add a “Default.aspx” in the server root, with the following content:

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