rpm -qa | grep microsoft


kmod-microsoft-hyper-v-3.4-1.20120727
microsoft-hyper-v-3.4.20120727


rpm -e microsoft-hyper-v-<version string> kmod-microsoft-hyper-v-<version string>


rpm -e microsoft-hyper-v-3.4.20120727 kmod-microsoft-hyper-v-3.4-1.20120727