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Client APIs and toolsYou can use the HCL Informix® implementation of client APIs to develop applications for Informix® database servers.
Informix® OLE DB Provider GuideThe Informix® OLE DB Provider Programmer's Guide describes the software requirements for using Informix® OLE DB Provider, show how to install and configure the provider for your use, and explain how to use Informix® OLE DB Provider to enable client applications, such as ActiveX Data Object (ADO) applications and web pages, to access data on the Informix® server.
Troubleshooting installation, configuration, or operation problemsThis section describes how to resolve problems that you might encounter when installing, configuring, or using Informix® OLE DB Provider.
Cannot connect to transaction managerA connection attempt fails, a message says that the application cannot connect to the transaction manager.

Cannot connect to transaction manager

A connection attempt fails, a message says that the application cannot connect to the transaction manager.

Possible cause

This message is generated when the MTS installation does not have the latest update of the component DLLs. The interface, IDtcToXaHelperSinglePipe that the Informix® OLE DB Provider uses to communicate with MS DTC might not be available in the installation (part of MSDTCPRX.DLL).

Resolution

This problem occurs due to incorrect setup. You must ensure that the msdtcprx DLL is version 1999 or higher. The MTS component files get updated by installing Windows NT™ Service Pack 6. Install the Windows NT Service Pack 6 or higher after the MTS installation.

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