если сеть твоя и машины в домене (или знаешь пароль админа),
то нет проблем
            ConnectionOptions options = null;
            if (!useADAuth)
            {
                options = new ConnectionOptions();
                options.Username = login;
                options.Password = password;
            }
            ManagementScope scope =
                new ManagementScope("\\\\" + serverIP + "\\root\\cimv2", options);
            scope.Connect();

            ManagementPath p = new ManagementPath("Win32_OperatingSystem");

            ManagementClass mc1 = new ManagementClass(scope, p, null);

            foreach (ManagementObject mo in mc1.GetInstances())
            {
                object oVer = mo.GetPropertyValue("Version");
            }