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Microsoft KB Archive/171440

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Knowledge Base


Where to acquire the CDO Libraries (all versions)

Article ID: 171440

Article Last Modified on 4/13/2007



APPLIES TO

  • Microsoft Collaboration Data Objects 1.1
  • Microsoft Collaboration Data Objects 1.2
  • Microsoft Collaboration Data Objects 1.21
  • Microsoft Collaboration Data Objects 1.2 for NT Server
  • Microsoft Collaboration Data Objects 2.0



This article was previously published under Q171440

SUMMARY

The Collaboration Data Objects (all versions) Libraries are used to implement Messaging and Collaboration functionality into a custom application. This article contains information on where these libraries can be found.

MORE INFORMATION

The dynamic-link libraries (DLLs) for CDO (1.1, 1.2, 1.21) and CDO Rendering (1.1, 1.2) are MAPI client object libraries. As such, they require MAPI and service providers (for example, the same service providers as with Microsoft Exchange Server).

Collaboration Data Objects for NTS (CDONTS) is a Simple Mail Transfer Protocol (SMTP) based Messaging offering, which is part of the overall CDO (1.1, 1.2) Library, but is not MAPI dependent.

Collaboration Data objects for Windows 2000 (CDOSYS), is a quantum leap in SMTP Messaging over CDONTS. CDOSYS provides for rich content through extensive MIME support.

The names of these files vary depending on the version of CDO as noted in the following table:

   Version  Messaging Lib   Rendering Lib   CDO for NTS   CDO for Win2K
                (MSG)           (RND)          (NTS)          (SYS)

   -----------------------------------------------------------------------

   v1.1     Olemsg32.dll    Amhtml.dll      Cdonts.dll    n/a
   v1.2     Cdo.dll         Cdohtml.dll     Cdonts.dll    n/a
   v1.21    Cdo.dll         Cdohtml.dll     n/a           n/a
   v6.0     n/a             n/a             n/a           Cdosys.dll
 
                


These files can be obtained through the following product installations:

                          v1.1           v1.2          v1.21       v6.0
                      MSG/RND/NTS  | MSG/RND/NTS  | MSG/RND/NTS |  SYS   
   --------------------------------|--------------|-------------|--------
   Outlook 8.00      | N / N / N   |  N / N / N   |  N / N / N  |   N  
   Exchg 5.0 Client  | Y / N / N   |  N / N / N   |  N / N / N  |   N
   Outlook 8.01-8.03 | Y / N / N   |  N / N / N   |  N / N / N  |   N
   Exchg 5.0 Srv     | Y / Y / Y   |  N / N / N   |  N / N / N  |   N
   IIS 4.0           | N / N / Y   |  N / N / N   |  N / N / N  |   N
   Outlook 98        | N / N / N   |  N / N / N   |  Y / N / N  |   N
   Exchg 5.5 Srv     | N / N / N   |  Y / Y / Y   |  N / N / N  |   N
   Exchg 5.5 Srv SP1 | N / N / N   |  N / Y / Y   |  Y / N / N  |   N
   Exchg 5.5 Srv SP2 | N / N / N   |  N / Y / Y   |  Y / N / N  |   N
   Outlook 2000      | N / N / N   |  N / N / N   |  Y / N / N  |   N
   Outlook 2002      | N / N / N   |  N / N / N   |  Y / N / N  |   N
   Outlook 2003      | N / N / N   |  N / N / N   |  Y / N / N  |   N
   Windows 2000      | N / N / N   |  N / N / N   |  N / N / N  |   Y
   Exchg 2000        | N / N / N   |  N / N / N   |  Y / Y / N  |   N 
   Exchg 2000 SP1    | N / N / N   |  N / N / N   |  Y / Y / N  |   N 
   Exchg 2000 SP2    | N / N / N   |  N / N / N   |  Y / Y / N  |   N 
   Exchg 2000 SP3    | N / N / N   |  N / N / N   |  Y / Y / N  |   N 
   Windows 2003      | N / N / N   |  N / N / N   |  N / N / N  |   Y
   Exchg 2003        | N / N / N   |  N / N / N   |  Y / N / N  |   N

                

Starting with Microsoft Exchange Server 2007 Beta 2, neither the Messaging API (MAPI) client libraries nor CDO 1.2.1 are included. Therefore, functionality is missing, and many application depend on this functionality. Microsoft Exchange MAPI and CDO 1.2.1 provide access to these APIs. These APIs provide access to the contents of MAPI stores. To obtain these libraries, visit the following Microsoft Web site:

Note Because this version of CDO is included with the Exchange 2003, we do not support installing this version on a computer that has Outlook installed. For more information, click the following article number to view the article in the Microsoft Knowledge Base:

266418 Microsoft does not support installing Exchange Server components and Outlook on the same computer


When using Exchange to install CDO 1.21, you can use one of the following methods to install:

  • Install Exchange Server (Exchange 5.5, 2000, and 2003)
  • Install only the Exchange Administrator (or Exchange System Manager) utility (Exchange 5.5, 2000, and 2003)
  • Install Outlook Web Access (OWA - Exchange 5.5 only)

After the installation, you may have to manually register Cdo.dll by using Regsrv32 (that is, regsrv32.exe full path and file name of CDO.DLL). For Exchange System Manager installations, you must copy Cdo.dll from the installation media to the %Program Files%/Exchsrvr/bin directory before you register Cdo.dll by using Regsrv32.exe.

By default, Outlook installations do not include the CDO 1.2x component. When you view the options for Office or Outlook setup, CDO is listed under the options for Outlook.


Additional query words: find

Keywords: kbinfo kbmsg KB171440