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Home > Knowledge Base > ExchangeMapiCdo.MSI fails to install CDO (KBID# 34)

I.T. Mate Knowledge Base - KBID# 34

ExchangeMapiCdo.MSI fails to install CDO (KBID# 34)

Symptoms

You receive the following when attempting to install CDO (Collaboration Data Objects) on a computer that already has Outlook installed;

Messaging API and Collaboration Data Objects 1.2.1 cannot be installed with Microsoft Outlook


Cause

This as the error implies, occurs because Outlook is already installed on your computer.

Resolution

To correct this, you will need to use the following installer instead;

http://www.microsoft.com/download/en/details.aspx?id=3671

Additional Information

Earlier versions of Exchange and Outlook (prior to 2007) came with MAPI/CDO as part of the installer, but for reasons best known to themselves, Microsoft stripped it from the installers of 2007 and newer, requiring you find the download and install it yourself.

Microsoft have also seen fit not to produce a 64 bit version of these, which means it will also only work with 32bit programs.

The download labelled "Microsoft Exchange Server MAPI Client and Collaboration Data Objects 1.2.1", which most recommend however, will NOT install on any computer that has Outlook already installed.

References

Collaboration Data Objects v1.2.1


Microsoft Exchange Server MAPI Client and Collaboration Data Objects 1.2.1
http://www.microsoft.com/download/en/details.aspx?id=1004

This Just In: MAPI and Windows Server 2008 Now Get Along
http://blogs.msdn.com/b/stephen_griffin/archive/2008/06/02/this-just-in-mapi-and-windows-server-2008-now-get-along.aspx


The information in this article applies to:
  1. Outlook Export
  2. Outlook (all versions)
  3. Exchange (all versions)
  4. Windows XP
  5. Windows Vista
  6. Windows 7
Published: 21/02/2012 10:29:35
Updated: 21/02/2012 10:31:38

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