"IBM Cognos 8 Controller Link ... Attempt to load Oracle client libraries threw BadImageFormatException... when running in 64 bit mode" error when using Controller with Oracle

Troubleshooting

Problem

User receives error message when using Controller Excel link.

Symptom

English:

IBM Cognos 8 Controller Link

System.Web.Services.Protocols.SoapException: <.....>. --->
System.InvalidOperationException: Attempt to load Oracle client libraries threw BadImageFormatException. This problem will occur when running in 64 bit mode with the 32 bit Oracle client components installed. ---> System.BadImageFormatException: An attempt was made to load a program with an incorrect format. (Exception from HRESULT: 0x8007000B)
<....>
[OK]

German:

IBM Cognos 8 Controller Link
System.Web.Services.Protocols.SoapException: Die Anforderung konnte vom erver nicht verarbeitet werden. --->
System.InvalidOperationException: Der Versuch zum Laden von Oracle-Clientbibliotheken hat eine 'BadImageFormatException' ausgelost. Dieses Problem tritt bei Ausfuhrung im 64-Bit-Modus auf, wenn die 32-Bit-Clientkomponenten von Oracle installeiert sind. --->
<..............>
Ausnahme von HRESULT 0x8007000B)
bei <....>
bei System.Data.OracleClient.OIC.DetermineClientVersion()
Cognos.Controller.Proxy.CCRWS.GetUserInfo ...
<.....>
[OK]

[{"Product":{"code":"SS9S6B","label":"IBM Cognos Controller"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Component":"Controller","Platform":[{"code":"PF033","label":"Windows"}],"Version":"8.5.1","Edition":"","Line of Business":{"code":"LOB76","label":"Data Platform"}},{"Product":{"code":"SSMRTZ","label":"IBM Cognos Controller on Cloud"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Component":" ","Platform":[{"code":"","label":""}],"Version":"","Edition":"","Line of Business":{"code":"LOB76","label":"Data Platform"}}]

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Document Information

More support for:
IBM Cognos Controller

Software version:
8.5.1

Operating system(s):
Windows

Document number:
412747

Modified date:
08 May 2025

UID

swg21456317

IBM Support

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