Sets the virtual machine description.
PRL_RESULT PrlVmCfg_SetDescription( PRL_HANDLE hVmCfg, PRL_CONST_STR sNewVmDescription );
PrlApiVm.h
PRL_RESULT. Possible values:
PRL_ERR_INVALID_ARG - invalid handle or null pointer was passed.
PRL_ERR_SUCCESS - function completed successfully.