RRDI doesn't support VMware ESXi 5.1 ?
In the Chapter A2.1 VM Support Non-Clustered of the following URL
https://jazz.net/wiki/bin/view/Deployment/CLMSystemRequirements403
RRDI Not supported for VMware ESXi 5.1 with CLM 4.0.3
But I found RRDI 32 & 64 bit Supported for VMware ESXi 5.1 with CLM 4.0.2
in this URL: https://jazz.net/library/article/1109/