There is an issue that prevents View Composer from working with vSphere 4.1 that customers need to be aware of. View Composer will not run on a 64-bit OS, and vSphere 4.1 only supports 64-bit OS’s. The release notes don't mention this and refers users to the VMware View Support page for compatibility information.
This Knowledge Base article will be updated if new information becomes available. If you have been affected by this, please read the KB.
We apologize for any inconvenience this may have caused you. If you know how to spread the word to your friends and colleagues, please do so.