Ergomedia, hosting services provider for Microsoft applications, was not satisfied with the Hyper-V virtualization software. Representatives of Ergomedia stressed that it was necessary to increase the improved service availability for customers. For this reason, after some time, it was decided that a new supplier of virtualization software should be chosen and the process of migration from Hyper-V to VMware vSphere began. Implementation of the VMware vCloud Director cloud management software. The results of deploying VMware were savings through optimum use of the existing hardware infrastructure, enhanced stability of functioning and reliability of the virtual environment, less time needed for implementation of new projects and quicker disaster recovery.