diff --git a/windows/client-management/mdm/images/provisioning-csp-passportforwork2.png b/windows/client-management/mdm/images/provisioning-csp-passportforwork2.png
index 8f804b9185..92585d5426 100644
Binary files a/windows/client-management/mdm/images/provisioning-csp-passportforwork2.png and b/windows/client-management/mdm/images/provisioning-csp-passportforwork2.png differ
diff --git a/windows/client-management/mdm/new-in-windows-mdm-enrollment-management.md b/windows/client-management/mdm/new-in-windows-mdm-enrollment-management.md
index 61350998ce..4d7822bff5 100644
--- a/windows/client-management/mdm/new-in-windows-mdm-enrollment-management.md
+++ b/windows/client-management/mdm/new-in-windows-mdm-enrollment-management.md
@@ -139,12 +139,16 @@ For details about Microsoft mobile device management protocols for Windows 10 s
 </ul>
 </td></tr>
 <tr>
+<td style="vertical-align:top"><a href="applicationcontrol-csp.md" data-raw-source="[ApplicationControl CSP](applicationcontrol-csp.md)">ApplicationControl CSP</a></td>
+<td style="vertical-align:top"><p>Added new CSP in Windows 10, version 1903.</p>
+</td></tr>
+<tr>
 <td style="vertical-align:top"><a href="enrollmentstatustracking-csp.md" data-raw-source="[EnrollmentStatusTracking CSP](enrollmentstatustracking-csp.md)">EnrollmentStatusTracking CSP</a></td>
 <td style="vertical-align:top"><p>Added new CSP in Windows 10, version 1903.</p>
 </td></tr>
 <tr>
-<td style="vertical-align:top"><a href="applicationcontrol-csp.md" data-raw-source="[ApplicationControl CSP](applicationcontrol-csp.md)">ApplicationControl CSP</a></td>
-<td style="vertical-align:top"><p>Added new CSP in Windows 10, version 1903.</p>
+<td style="vertical-align:top"><a href="passportforwork-csp.md" data-raw-source="[PassportForWork CSP](passportforwork-csp.md)">PassportForWork CSP</a></td>
+<td style="vertical-align:top"><p>Added the following new nodes in Windows 10, version 1903:<br>SecurityKey, SecurityKey/UseSecurityKeyForSignin</p>
 </td></tr>
 </tbody>
 </table>
@@ -1892,6 +1896,7 @@ How do I turn if off? | The service can be stopped from the "Services" console o
 |New or updated topic | Description|
 |--- | ---|
 |[ApplicationControl CSP](applicationcontrol-csp.md)|Added new CSP in Windows 10, version 1903.|
+|[PassportForWork CSP](passportforwork-csp.md)|Added the following new nodes in Windows 10, version 1903:<br>SecurityKey, SecurityKey/UseSecurityKeyForSignin|
 |[Policy CSP - Privacy](policy-csp-privacy.md)|Added the following new policies:<br>LetAppsActivateWithVoice, LetAppsActivateWithVoiceAboveLock|
 |Create a custom configuration service provider|Deleted the following documents from the CSP reference because extensibility via CSPs is not currently supported:<br>Create a custom configuration service provider<br>Design a custom configuration service provider<br>IConfigServiceProvider2<br>IConfigServiceProvider2::ConfigManagerNotification<br>IConfigServiceProvider2::GetNode<br>ICSPNode<br>ICSPNode::Add<br>ICSPNode::Clear<br>ICSPNode::Copy<br>ICSPNode::DeleteChild<br>ICSPNode::DeleteProperty<br>ICSPNode::Execute<br>ICSPNode::GetChildNodeNames<br>ICSPNode::GetProperty<br>ICSPNode::GetPropertyIdentifiers<br>ICSPNode::GetValue<br>ICSPNode::Move<br>ICSPNode::SetProperty<br>ICSPNode::SetValue<br>ICSPNodeTransactioning<br>ICSPValidate<br>Samples for writing a custom configuration service provider|
 
diff --git a/windows/client-management/mdm/passportforwork-csp.md b/windows/client-management/mdm/passportforwork-csp.md
index b7ead6856e..75a8d63f6f 100644
--- a/windows/client-management/mdm/passportforwork-csp.md
+++ b/windows/client-management/mdm/passportforwork-csp.md
@@ -9,14 +9,11 @@ ms.topic: article
 ms.prod: w10
 ms.technology: windows
 author: manikadhiman
-ms.date: 10/31/2018
+ms.date: 07/19/2019
 ---
 
 # PassportForWork 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 PassportForWork configuration service provider is used to provision Windows Hello for Business (formerly Microsoft Passport for Work). It allows you to login to Windows using your Active Directory or Azure Active Directory account and replace passwords, smartcards, and virtual smart cards.
 
 > [!IMPORTANT]
@@ -269,6 +266,23 @@ Added in Windows 10, version 1803. List of plugins (comma separated) that the pa
 
 Value type is string. Supported operations are Add, Get, Replace, and Delete.
 
+<a href="" id="securitykey"></a>**SecurityKey** (only for ./Device/Vendor/MSFT)  
+Added in Windows 10, version 1903. Interior node.
+
+Scope is permanent. Supported operation is Get.
+
+
+<a href="" id="securitykey-usesecuritykeyforsignin"></a>**SecurityKey/UseSecurityKeyForSignin** (only for ./Device/Vendor/MSFT)  
+Added in Windows 10, version 1903. Enables users to sign-in to their device with a [FIDO2 security key](https://docs.microsoft.com/en-us/azure/active-directory/authentication/concept-authentication-passwordless#fido2-security-keys) that is compatible with Microsoft’s implementation.
+
+Scope is dynamic. Supported operations are Add, Get, Replace, and Delete.
+
+Value type is integer. 
+
+Valid values:  
+- 0 (default) - disabled
+- 1 - enabled
+
 ## Examples
 
 Here's an example for setting Windows Hello for Business and setting the PIN policies. It also turns on the use of biometrics and TPM.