Merge branch 'master' of https://github.com/MicrosoftDocs/windows-docs-pr into wn-21H1

windows/deployment/deploy-windows-mdt/create-a-windows-10-reference-image.md

@@ -661,6 +661,9 @@ After some time, you will have a Windows 10 Enterprise x64 image that is fully
 
 ## Troubleshooting
 
+> [!IMPORTANT]
+> If you encounter errors applying the image when using a BIOS firmware type, see [Windows 10 deployments fail with Microsoft Deployment Toolkit on computers with BIOS type firmware](https://support.microsoft.com/topic/windows-10-deployments-fail-with-microsoft-deployment-toolkit-on-computers-with-bios-type-firmware-70557b0b-6be3-81d2-556f-b313e29e2cb7). This 
+
 If you [enabled monitoring](#enable-monitoring), you can check the progress of the task sequence.
 
    ![monitoring](../images/mdt-monitoring.png)

windows/deployment/deploy-windows-mdt/prepare-for-windows-deployment-with-mdt.md

@@ -87,6 +87,8 @@ Visit the [Download and install the Windows ADK](/windows-hardware/get-started/a
 - [The Windows ADK for Windows 10](https://go.microsoft.com/fwlink/?linkid=2086042)
 - [The Windows PE add-on for the ADK](https://go.microsoft.com/fwlink/?linkid=2087112)
 - [The Windows System Image Manager (WSIM) 1903 update](https://go.microsoft.com/fwlink/?linkid=2095334)
+- (Optional) [The MDT_KB4564442 patch for BIOS firmware](https://download.microsoft.com/download/3/0/6/306AC1B2-59BE-43B8-8C65-E141EF287A5E/KB4564442/MDT_KB4564442.exe)
+  - This patch is needed to resolve a bug that causes detection of BIOS-based machines as UEFI-based machines.  If you have a UEFI deployment, you do not need this patch.
 
 >[!TIP]
 >You might need to temporarily disable IE Enhanced Security Configuration for administrators in order to download files from the Internet to the server. This setting can be disabled by using Server Manager (Local Server/Properties).
@@ -97,6 +99,7 @@ Visit the [Download and install the Windows ADK](/windows-hardware/get-started/a
 3. Start the **WinPE Setup** (D:\\Downloads\\ADK\\adkwinpesetup.exe), click **Next** twice to accept the default installation parameters, click **Accept** to accept the license agreement, and then on the **Select the features you want to install** page click **Install**. This will install Windows PE for x86, AMD64, ARM, and ARM64. Verify that the installation completes successfully before moving to the next step.
 4. Extract the **WSIM 1903 update** (D:\\Downloads\ADK\\WSIM1903.zip) and then run the **UpdateWSIM.bat** file.
    - You can confirm that the update is applied by viewing properties of the ImageCat.exe and ImgMgr.exe files at **C:\\Program Files (x86)\\Windows Kits\\10\\Assessment and Deployment Kit\\Deployment Tools\\WSIM** and verifying that the **Details** tab displays a **File version** of **10.0.18362.144** or later.
+5. If you downloaded the optional MDT_KB4564442 patch for BIOS based deployment, see [this support article](https://support.microsoft.com/en-us/topic/windows-10-deployments-fail-with-microsoft-deployment-toolkit-on-computers-with-bios-type-firmware-70557b0b-6be3-81d2-556f-b313e29e2cb7) for instructions on how to install the patch.
 
 ## Install and initialize Windows Deployment Services (WDS)
 

windows/sv/index.md

@@ -1 +1,16 @@
-# Welcome to SV!
+---
+title: No title
+description: No description
+keywords: ["Windows 10"]
+ms.prod: w10
+ms.mktglfcycl: deploy
+ms.sitesec: library
+audience: itpro
+author: greg-lindsay
+ms.author: greglin
+manager: laurawi
+ms.localizationpriority: high
+ms.topic: article
+---
+
+# _