diff --git a/src/Umbraco.Core/Configuration/ContentXmlStorage.cs b/src/Umbraco.Core/Configuration/ContentXmlStorage.cs
new file mode 100644
index 0000000000..7cbbc70675
--- /dev/null
+++ b/src/Umbraco.Core/Configuration/ContentXmlStorage.cs
@@ -0,0 +1,9 @@
+namespace Umbraco.Core.Configuration
+{
+    internal enum ContentXmlStorage
+    {
+        Default,
+        AspNetTemp,
+        EnvironmentTemp
+    }
+}
\ No newline at end of file
diff --git a/src/Umbraco.Core/Configuration/GlobalSettings.cs b/src/Umbraco.Core/Configuration/GlobalSettings.cs
index 525bff2999..fc2534633f 100644
--- a/src/Umbraco.Core/Configuration/GlobalSettings.cs
+++ b/src/Umbraco.Core/Configuration/GlobalSettings.cs
@@ -520,12 +520,25 @@ namespace Umbraco.Core.Configuration
         }
 
         internal static bool ContentCacheXmlStoredInCodeGen
+        {
+            get { return ContentCacheXmlStorageLocation == ContentXmlStorage.AspNetTemp; }
+        }
+
+        internal static ContentXmlStorage ContentCacheXmlStorageLocation
         {
             get
             {
-                //defaults to false
-                return ConfigurationManager.AppSettings.ContainsKey("umbracoContentXMLUseLocalTemp") 
-                    && bool.Parse(ConfigurationManager.AppSettings["umbracoContentXMLUseLocalTemp"]); //default to false
+                if (ConfigurationManager.AppSettings.ContainsKey("umbracoContentXMLStorage"))
+                {
+                    return Enum<ContentXmlStorage>.Parse(ConfigurationManager.AppSettings["umbracoContentXMLStorage"]);
+                }
+                if (ConfigurationManager.AppSettings.ContainsKey("umbracoContentXMLUseLocalTemp"))
+                {
+                    return bool.Parse(ConfigurationManager.AppSettings["umbracoContentXMLUseLocalTemp"]) 
+                        ? ContentXmlStorage.AspNetTemp 
+                        : ContentXmlStorage.Default;
+                }
+                return ContentXmlStorage.Default;
             }
         }
 
diff --git a/src/Umbraco.Core/IO/SystemFiles.cs b/src/Umbraco.Core/IO/SystemFiles.cs
index 48bdea2884..437ddd3ef7 100644
--- a/src/Umbraco.Core/IO/SystemFiles.cs
+++ b/src/Umbraco.Core/IO/SystemFiles.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.ComponentModel;
 using System.Configuration;
 using System.IO;
 using System.Linq;
@@ -72,15 +73,28 @@ namespace Umbraco.Core.IO
         {
             get
             {
-                if (GlobalSettings.ContentCacheXmlStoredInCodeGen && SystemUtilities.GetCurrentTrustLevel() == AspNetHostingPermissionLevel.Unrestricted)
-                {
-                    return Path.Combine(HttpRuntime.CodegenDir, @"UmbracoData\umbraco.config");
+                switch (GlobalSettings.ContentCacheXmlStorageLocation)
+                {                    
+                    case ContentXmlStorage.AspNetTemp:
+                        return Path.Combine(HttpRuntime.CodegenDir, @"UmbracoData\umbraco.config");
+                    case ContentXmlStorage.EnvironmentTemp:
+                        var appDomainHash = HttpRuntime.AppDomainAppId.ToSHA1();
+                        var cachePath = Path.Combine(Environment.ExpandEnvironmentVariables("%temp%"), "UmbracoXml",
+                            //include the appdomain hash is just a safety check, for example if a website is moved from worker A to worker B and then back
+                            // to worker A again, in theory the %temp%  folder should already be empty but we really want to make sure that its not
+                            // utilizing an old path
+                            appDomainHash);
+                        return Path.Combine(cachePath, "umbraco.config");
+                    case ContentXmlStorage.Default:
+                        return IOHelper.ReturnPath("umbracoContentXML", "~/App_Data/umbraco.config");
+                    default:
+                        throw new ArgumentOutOfRangeException();
                 }
-                return IOHelper.ReturnPath("umbracoContentXML", "~/App_Data/umbraco.config");
             }
         }
 
         [Obsolete("Use GlobalSettings.ContentCacheXmlStoredInCodeGen instead")]
+        [EditorBrowsable(EditorBrowsableState.Never)]
         internal static bool ContentCacheXmlStoredInCodeGen
         {
             get { return GlobalSettings.ContentCacheXmlStoredInCodeGen; }
diff --git a/src/Umbraco.Core/Umbraco.Core.csproj b/src/Umbraco.Core/Umbraco.Core.csproj
index 4aca6bdf02..e03dabfa5f 100644
--- a/src/Umbraco.Core/Umbraco.Core.csproj
+++ b/src/Umbraco.Core/Umbraco.Core.csproj
@@ -179,6 +179,7 @@
     <Compile Include="Configuration\BaseRest\ExtensionElement.cs" />
     <Compile Include="Configuration\BaseRest\ExtensionElementCollection.cs" />
     <Compile Include="Configuration\BaseRest\MethodElement.cs" />
+    <Compile Include="Configuration\ContentXmlStorage.cs" />
     <Compile Include="Configuration\Dashboard\AccessElement.cs" />
     <Compile Include="Configuration\Dashboard\AccessItem.cs" />
     <Compile Include="Configuration\Dashboard\AccessType.cs" />
diff --git a/src/umbraco.businesslogic/IO/SystemFiles.cs b/src/umbraco.businesslogic/IO/SystemFiles.cs
index 991ec0b29f..3c5841a31b 100644
--- a/src/umbraco.businesslogic/IO/SystemFiles.cs
+++ b/src/umbraco.businesslogic/IO/SystemFiles.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.ComponentModel;
 using System.Configuration;
 using System.IO;
 using System.Linq;
@@ -54,7 +55,9 @@ namespace umbraco.IO
 			get { return Umbraco.Core.IO.SystemFiles.ContentCacheXml; }
 		}
 
-		public static bool ContentCacheXmlIsEphemeral
+        [Obsolete("This is not used and will be removed in future versions")]
+        [EditorBrowsable(EditorBrowsableState.Never)]
+        public static bool ContentCacheXmlIsEphemeral
 		{
 			get { return Umbraco.Core.IO.SystemFiles.ContentCacheXmlStoredInCodeGen; }
 		}