diff --git a/windows/client-management/mdm/policy-configuration-service-provider.md b/windows/client-management/mdm/policy-configuration-service-provider.md
index 6f733c2214..204daddb5b 100644
--- a/windows/client-management/mdm/policy-configuration-service-provider.md
+++ b/windows/client-management/mdm/policy-configuration-service-provider.md
@@ -498,6 +498,9 @@ The following diagram shows the Policy configuration service provider in tree fo
   <dd>
     <a href="./policy-csp-browser.md#browser-preventsmartscreenpromptoverrideforfiles" id="browser-preventsmartscreenpromptoverrideforfiles">Browser/PreventSmartScreenPromptOverrideForFiles</a>
   </dd>
+  <dd>
+    <a href="./policy-csp-browser.md#browser-preventtabpreloading" id="browser-preventtabpreloading">Browser/PreventTabPreloading</a>
+  </dd>
   <dd>
     <a href="./policy-csp-browser.md#browser-preventusinglocalhostipaddressforwebrtc" id="browser-preventusinglocalhostipaddressforwebrtc">Browser/PreventUsingLocalHostIPAddressForWebRTC</a>
   </dd>
diff --git a/windows/client-management/mdm/policy-csp-browser.md b/windows/client-management/mdm/policy-csp-browser.md
index ccafd7cbed..79d91ff2dc 100644
--- a/windows/client-management/mdm/policy-csp-browser.md
+++ b/windows/client-management/mdm/policy-csp-browser.md
@@ -6,7 +6,7 @@ ms.topic: article
 ms.prod: w10
 ms.technology: windows
 author: nickbrower
-ms.date: 03/12/2018
+ms.date: 03/13/2018
 ---
 
 # Policy CSP - Browser
@@ -117,6 +117,9 @@ ms.date: 03/12/2018
   <dd>
     <a href="#browser-preventsmartscreenpromptoverrideforfiles">Browser/PreventSmartScreenPromptOverrideForFiles</a>
   </dd>
+  <dd>
+    <a href="#browser-preventtabpreloading">Browser/PreventTabPreloading</a>
+  </dd>
   <dd>
     <a href="#browser-preventusinglocalhostipaddressforwebrtc">Browser/PreventUsingLocalHostIPAddressForWebRTC</a>
   </dd>
@@ -2150,6 +2153,58 @@ The following list shows the supported values:
 
 <hr/>
 
+<!--Policy-->
+<a href="" id="browser-preventtabpreloading"></a>**Browser/PreventTabPreloading**  
+
+<!--SupportedSKUs-->
+<table>
+<tr>
+	<th>Home</th>
+	<th>Pro</th>
+	<th>Business</th>
+	<th>Enterprise</th>
+	<th>Education</th>
+	<th>Mobile</th>
+	<th>Mobile Enterprise</th>
+</tr>
+<tr>
+	<td><img src="images/crossmark.png" alt="cross mark" /></td>
+	<td><img src="images/checkmark.png" alt="check mark" /><sup>4</sup></td>
+	<td><img src="images/checkmark.png" alt="check mark" /><sup>4</sup></td>
+	<td><img src="images/checkmark.png" alt="check mark" /><sup>4</sup></td>
+	<td><img src="images/checkmark.png" alt="check mark" /><sup>4</sup></td>
+	<td></td>
+	<td></td>
+</tr>
+</table>
+
+<!--/SupportedSKUs-->
+<!--Scope-->
+[Scope](./policy-configuration-service-provider.md#policy-scope):
+
+> [!div class = "checklist"]
+> * User
+> * Device
+
+<hr/>
+
+<!--/Scope-->
+<!--Description-->
+Added in Windows 10, version 1803. This is only a placeholder. Do not use in production code. 
+
+<!--/Description-->
+
+<!--SupportedValues-->
+The following list shows the supported values:
+
+-   0 (default) – Allow pre-launch and preload.
+-   1 – Prevent pre-launch and preload.
+
+<!--/SupportedValues-->
+<!--/Policy-->
+
+<hr/>
+
 <!--Policy-->
 <a href="" id="browser-preventusinglocalhostipaddressforwebrtc"></a>**Browser/PreventUsingLocalHostIPAddressForWebRTC**