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Microsoft KB Archive/247288

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Knowledge Base


PRB: CDO Applications Are Not Supported in MTS or COM+

Article ID: 247288

Article Last Modified on 10/25/2007



APPLIES TO

  • Microsoft Collaboration Data Objects 1.21
  • Microsoft Collaboration Data Objects 1.2
  • Microsoft Exchange Server 5.5 Standard Edition
  • Microsoft Exchange 2000 Server Standard Edition
  • Microsoft Exchange Server 2003 Enterprise Edition
  • Microsoft Exchange Server 2003 Standard Edition
  • Microsoft Outlook 2000 Standard Edition
  • Microsoft Outlook 2002 Standard Edition
  • Microsoft Office Outlook 2003



This article was previously published under Q247288

SYMPTOMS

When using Collaboration Data Objects (CDO) in Microsoft Transaction Server (MTS) or COM+, you may receive various errors or your application may not run properly within an MTS/COM+ package. The same application runs properly outside of the MTS/COM+ environment.

CAUSE

CDO was designed before MTS and COM+ were released. CDO 1.21 is not thread-safe. Therefore, operating within the MTS/COM+ environment was not a design requirement of the the CDO library.

RESOLUTION

Although using CDO applications with MTS may work in certain configurations, this is not supported by Microsoft.


Additional query words: win winnt win2k windows 2000 nt 4.0 plus

Keywords: kbmsg kbprb KB247288