*Bulletin ID* A2E_168
*Last Review* 05/07/2008
*Revision* 1.0
*Previous IDs* None
*Obsoletes* None

ERROR: Run-time error ‘429’: ActiveX component can’t create object


When opening the Add2Exchange Console for the first during the installation process, the user receives a “Run-time error ‘429’” error dialog and the Console does not open. CDO is not available on the server. Consult the appropriate section for your Exchange platform.


The user receives a “Run-time error ‘429’: ActiveX component can’t create object” error dialog when opening the Add2Exchange Console for the first time during the installation process. The Console does not open.


In normal usage, Add2Exchange should be installed on the Exchange server which already has Collaboration Data Objects, installed as part of Exchange 2003 (available separately for Exchange 2007). On Exchange 2003, either the CDO component has become unregistered or, if you are installing Add2Exchange on a server other than the Exchange server, this component is missing from the server on which Add2Exchange is installed. This is the error you receive when Add2Exchange attempts to use the missing component.


See the following section appropriate to your version of Exchange.

Exchange 2003

If you are installing on the Exchange server, you already have the CDO component installed and it simply needs to be registered with Windows. If you are installing on a server other than the Exchange server, you need to install the Exchange System Management tools. See the appropriate following section.

Exchange Server – Register CDO

1. In Explorer, find the location of your Exchange install. Typically this will under be \Program Files\Exchsrvr on your C: drive or whichever drive you typically install programs.

2. Verify that the file cdo.dll exists in the “bin” subdirectory of your Exchange install.

3. From the Start menu, select Run… and run cmd.exe.

4. Run the following command. The use of quotes is important:

regsvr32 "C:\Program Files\Exchsrvr\bin\cdo.dll"

Separate Synchronization Server – Install Exchange System Management Tools

1. Find your distribution media for Microsoft Exchange.

2. Follow the directions for installing ESM in the Add2Exchange Installation Guide section Conditional: Install Exchange System Manager. You can find this at the following URL:


Exchange 2007

Download and install the Exchange 2007 MAPI/CDO subsystem from Microsoft at:


Applies To

  • Add2Exchange Standard
  • Add2Exchange Enterprise

Keywords: CDO

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