diff --git a/windows/client-management/mdm/devdetail-csp.md b/windows/client-management/mdm/devdetail-csp.md
index 4537f2c630..27dd7bead4 100644
--- a/windows/client-management/mdm/devdetail-csp.md
+++ b/windows/client-management/mdm/devdetail-csp.md
@@ -7,11 +7,14 @@ ms.topic: article
 ms.prod: w10
 ms.technology: windows
 author: MariciaAlforque
-ms.date: 08/25/2017
+ms.date: 07/11/2018
 ---
 
 # DevDetail CSP
 
+> [!WARNING]
+> Some information relates to prereleased product which may be substantially modified before it's commercially released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
+
 The DevDetail configuration service provider handles the management object which provides device-specific parameters to the OMA DM server. These device parameters are not sent from the client to the server automatically, but can be queried by servers using OMA DM commands.
 
 > [!NOTE]
@@ -140,7 +143,12 @@ The following diagram shows the DevDetail configuration service provider managem
 <a href="" id="ext-microsoft-totalram"></a>**Ext/Microsoft/TotalRAM**  
 <p style="margin-left: 20px">Added in Windows 10, version 1511. Integer that specifies the total available memory in MB on the device (may be less than total physical memory).
 
-<p style="margin-left: 20px">Supported operation is Get.
+Supported operation is Get.
+
+<a href="" id="ext-microsoft-smbiosserialnumber"></a>**Ext/Microsoft/SMBIOSSerialNumber**  
+Added in Windows 10, next major version. SMBIOS Serial Number of the device.
+
+Value type is string. Supported operation is Get.
 
 <a href="" id="ext-wlanmacaddress"></a>**Ext/WLANMACAddress**  
 <p style="margin-left: 20px">The MAC address of the active WLAN connection, as a 12-digit hexadecimal number.
diff --git a/windows/client-management/mdm/devdetail-ddf-file.md b/windows/client-management/mdm/devdetail-ddf-file.md
index 7a3c0a14cc..737bb65143 100644
--- a/windows/client-management/mdm/devdetail-ddf-file.md
+++ b/windows/client-management/mdm/devdetail-ddf-file.md
@@ -7,16 +7,19 @@ ms.topic: article
 ms.prod: w10
 ms.technology: windows
 author: MariciaAlforque
-ms.date: 12/05/2017
+ms.date: 07/11/2018
 ---
 
 # DevDetail DDF file
 
+> [!WARNING]
+> Some information relates to prereleased product which may be substantially modified before it's commercially released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
+
 This topic shows the OMA DM device description framework (DDF) for the **DevDetail** configuration service provider. DDF files are used only with OMA DM provisioning XML.
 
 Looking for the DDF XML files? See [CSP DDF files download](configuration-service-provider-reference.md#csp-ddf-files-download).
 
-The XML below is the current version for this CSP.
+The XML below is for Windows 10, next major version.
 
 ``` syntax
 <?xml version="1.0" encoding="UTF-8"?>
@@ -42,7 +45,7 @@ The XML below is the current version for this CSP.
         <Permanent />
       </Scope>
       <DFType>
-        <DDFName>urn:oma:mo:oma-dm-devdetail:1.1</DDFName>
+        <DDFName>urn:oma:mo:oma-dm-devdetail:1.2</DDFName>
       </DFType>
     </DFProperties>
     <Node>
@@ -525,6 +528,27 @@ The XML below is the current version for this CSP.
             </DFType>
           </DFProperties>
         </Node>
+        <Node>
+          <NodeName>SMBIOSSerialNumber</NodeName>
+          <DFProperties>
+            <AccessType>
+              <Get />
+            </AccessType>
+            <Description>SMBIOS Serial Number of the device.</Description>
+            <DFFormat>
+              <chr />
+            </DFFormat>
+            <Occurrence>
+              <One />
+            </Occurrence>
+            <Scope>
+              <Permanent />
+            </Scope>
+            <DFType>
+              <MIME>text/plain</MIME>
+            </DFType>
+          </DFProperties>
+        </Node>
       </Node>
       <Node>
         <NodeName>WLANMACAddress</NodeName>
@@ -676,19 +700,4 @@ The XML below is the current version for this CSP.
     </Node>
   </Node>
 </MgmtTree>
-```
-
-## Related topics
-
-
-[DevDetail configuration service provider](devdetail-csp.md)
-
- 
-
- 
-
-
-
-
-
-
+```
\ No newline at end of file
diff --git a/windows/client-management/mdm/images/provisioning-csp-devdetail-dm.png b/windows/client-management/mdm/images/provisioning-csp-devdetail-dm.png
index 3145a82ea4..f5cf62ff0f 100644
Binary files a/windows/client-management/mdm/images/provisioning-csp-devdetail-dm.png and b/windows/client-management/mdm/images/provisioning-csp-devdetail-dm.png differ