Microsoft KB Archive/929751

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Article ID: 929751

Article Last Modified on 10/25/2007


  • Microsoft Exchange Server 2003 Standard Edition
  • Microsoft Exchange Server 2003 Enterprise Edition


You update a Collaboration Data Objects (CDO) application to the latest CDO library. However, you cannot use the CDO application to log on to a server that is running Microsoft Exchange Server 2003. If you turn on diagnostic logging of the Exchange store on an Exchange 2003 server, the MAPI_E_FAILONEPROVIDER error or the MAPI_E_NOT_FOUND error is logged in the Application log. Additionally, the client may display one of the following error messages:

  • (0x8004011D) The server is not available

  • MAPI_E_NOT_FOUND (0x8004010F)

Note 0x8004011D maps to the MAPI_E_FAILONEPROVIDER error.


This problem occurs if the latest Cdo.dll starts to pass a CONNECT_IGNORE_NO_PF flag to the Exchange 2003 server. This flag was introduced in Microsoft Exchange Server 2007. However, Exchange 2003 does not recognize the flag.


Hotfix information

A supported hotfix is now available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next service pack that contains this hotfix.

To resolve this problem, submit a request to Microsoft Online Customer Services to obtain the hotfix. To submit an online request to obtain the hotfix, visit the following Microsoft Web site:

Note If additional issues occur or any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. To create a separate service request, visit the following Microsoft Web site:


Because of file dependencies, Microsoft Exchange Server 2003 Service Pack 2 (SP2) must be installed on the server before you apply this hotfix. For more information, click the following article number to view the article in the Microsoft Knowledge Base:

836993 How to obtain the latest service packs for Exchange Server 2003

Restart requirement

You do not have to restart your computer after you apply this hotfix. However, the following services are automatically restarted when you apply the hotfix:

  • Microsoft Exchange Information Store service
  • Microsoft Search service
  • IIS Admin Service and all dependent services

Hotfix replacement information

This hotfix does not replace a previously released hotfix.

File information

The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.

File name File version File size Date Time Platform
Exosal.dll 6.5.7652.9 70,144 13-Jan-2007 09:06 x86
Mdbmsg.dll 6.5.7652.9 3,375,104 13-Jan-2007 08:21 x86
Store.exe 6.5.7652.9 5,263,360 13-Jan-2007 09:10 x86


Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

Additional query words: CDO1.2.1

Keywords: kbqfe kbexpertiseinter kbexchdev kbhotfixserver KB929751