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24  Installation for Microsoft Exchange 2003 Getting Started Guide
Screenshot 19 - Installing Microsoft Message Queuing Service
10. If Microsoft Message Queuing Services (MSMQ) is not installed
then the dialog in the above screenshot will open. Select Yes to install
MSMQ. Click Next to continue.
11. Click Finish to finalize your installation. On completion, setup will:
 Ask you to restart the SMTP service.
IMPORTANT: Failing to restart the SMTP service will
negatively affect anti spam filtering and email flow.
 Check whether Microsoft XML engine is installed. This is
automatically installed if not found on UK/US English OS. For
other OS languages, this has to be manually downloaded and
installed. Microsoft XML engine can be downloaded from:
http://www.microsoft.com/downloads/details.aspx?FamilyId=3144
B72B-B4F2-46DA-B4B6-C5D7485F2B42&displaylang=en
 For new installations, setup will launch the Post-Installation
Wizard.