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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.
HCL Informix® OLE DB Provider not registeredWhen you attempt to connect to the HCL Informix® data source, a message says that Informix® OLE DB Provider is not registered.

HCL Informix OLE DB Provider not registered

When you attempt to connect to the HCL Informix® data source, a message says that Informix OLE DB Provider is not registered.

Informix OLE DB Provider is not visible in the enumeration (for example, in the Initialize Data Source dialog box in the Microsoft™ OLE DB query demonstration).

Possible cause

Informix OLE DB Provider is not installed.

Resolution

Informix OLE DB Provider is distributed with Informix Connect and the Informix Client Software Development Kit, Version 2.3 and later; however, it is not installed unless you choose the Custom installation option and explicitly select Informix OLE DB Provider.

During installation, the Informix OLE DB Provider DLL is copied to INFORMIXDIR\bin. If Informix OLE DB Provider is copied to your computer but still is not visible in the enumeration, make sure the DLL is registered on the local computer.

To register the DLL

Go to INFORMIXDIR\bin.
Run the regsvr32 command on the DLL (ifxoledbc.dll).

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