IBM Support

Re-install CA 11.1.R3 after uninstall 11.0.13 EASY install. Getting an error 'Easy Install is not allowed Informix is already installed on your system. Please select a different type of install."

Troubleshooting


Problem

Informix is already installed on your system that you cannot install twice or some registry key for infomix installation is still exist in Window system after uninstall Cognos Analytics Easy Installation. 

Symptom

Customer installed Cognos Analytics 11.0.x version with Easy Install and then uninstall this 11.0.x version.
Now Customer is trying to install 11.1.x version with Easy Install.
However, IBM Cognos Analytics Easy install is not possible for the installation to continue when a current Informix installation is detected on the system.

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Document Information

Modified date:
14 January 2026

UID

ibm10966881