Home
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.
Class not registeredWhen you attempt to connect to the HCL Informix® data source, the message Class not registered opens.

Class not registered

When you attempt to connect to the HCL Informix® data source, the message Class not registered opens.

Possible cause

The Informix OLE DB Provider DLL might not be loaded.

Resolution

Check that the Informix OLE DB Provider DLL is in the location recorded in the registry entry, which points to bin\ifxoledbc.dll in your Informix Connect or Informix Client Software Development Kit installation. If that is not the case, reregister Informix OLE DB Provider. See the registry entries topics in the Microsoft™ OLE DB documentation for more information.

Also, make sure that INFORMIXDIR\bin is in the system path.

Rate this topic

5 stars 4 stars 3 stars 2 stars 1 star

Comment on this topic.

By clicking this box, you acknowledge that you are NOT a U.S. Federal Government employee or agency, nor are you submitting information with respect to or on behalf of one. HCL provides software and services to U.S. Federal Government customers through its partners immixGroup, Inc. Contact this team at https://hcltechsw.com/resources/us-government-contact. Do not include any personal data in this Comment box.