Added Windows Server detection logic

src/NzbDrone.Windows/EnvironmentInfo/WindowsVersionInfo.cs

@@ -1,14 +1,49 @@
 using System;
+using Microsoft.Win32;
+using NLog;
 using NzbDrone.Common.EnvironmentInfo;
 
 namespace NzbDrone.Windows.EnvironmentInfo
 {
     public class WindowsVersionInfo : IOsVersionAdapter
     {
+        private readonly Logger _logger;
         public bool Enabled => OsInfo.IsWindows;
+
+        public WindowsVersionInfo(Logger logger)
+        {
+            _logger = logger;
+        }
+
         public OsVersionModel Read()
         {
-            return new OsVersionModel("Windows", Environment.OSVersion.Version.ToString(), Environment.OSVersion.VersionString);
+            var windowsServer = IsServer();
+            var osName = windowsServer ? "Windows Server" : "Windows";
+            return new OsVersionModel(osName, Environment.OSVersion.Version.ToString(), Environment.OSVersion.VersionString);
+        }
+
+        private bool IsServer()
+        {
+            try
+            {
+                const string subkey = @"Software\Microsoft\Windows NT\CurrentVersion";
+                var openSubKey = RegistryKey.OpenBaseKey(RegistryHive.LocalMachine, RegistryView.Registry32).OpenSubKey(subkey);
+                if (openSubKey != null)
+                {
+                    var productName = openSubKey.GetValue("ProductName").ToString();
+
+                    if (productName.ToLower().Contains("server"))
+                    {
+                        return true;
+                    }
+                }
+            }
+            catch (Exception e)
+            {
+                _logger.Error(e, "Couldn't detect if running Windows Server");
+            }
+
+            return false;
         }
     }
 }