Cognos Controller 10.1 installation is not without issues when installing on Windows Server 2008 R2. I will when possible post articles regarding some of the issues I’ve had.
The number of registered Cognos Controller COM+ components is usually the first thing I check after completing an installation. ![Cognos_Controller[4]](http://kimebn.com/wp-content/uploads/2012/06/Cognos_Controller41.png "Cognos_Controller[4]"){kind=small}
For Cognos Controller 10.1 263 IBMCOGNOSCONTROLLER components should be registered.