Merge pull request #8224 from MicrosoftDocs/main

Deland-Han · web-flow · commit d66c9bd61ae5 · 2025-02-14T10:00:05.000+08:00
Auto push to live 2025-02-13 18:00:02
diff --git a/support/mem/intune/device-enrollment/import-windows-autopilot-device-csv-files-errors.md b/support/mem/intune/device-enrollment/import-windows-autopilot-device-csv-files-errors.md
@@ -1,10 +1,10 @@
 ---
 title: Troubleshoot error 806 or 808 when importing Windows Autopilot CSV files
 description: Describes an issue in which you receive the ZtdDeviceAlreadyAssigned (806) or ZtdDeviceAssignedToOtherTenant (808) error message when you import Windows Autopilot device CSV files in Microsoft Intune.
-ms.date: 12/05/2023
+ms.date: 02/14/2025
 search.appverid: MET150
 ms.custom: sap:Autopilot\Advisory
-ms.reviewer: kaushika
+ms.reviewer: kaushika, scottmca
 ---
 # Error 806 or 808 when you import Windows Autopilot device CSV files in Intune
 
@@ -30,18 +30,26 @@ When you try to import a CSV file in the [Microsoft Intune admin center](https:/
 
 ## Cause
 
-The **806 - ZtdDeviceAlreadyAssigned** and **808 - ZtdDeviceAssignedToOtherTenant** errors can occur if a device is already registered in your tenant or if a record of the device already exists in Microsoft Store for Business. The record must be removed before the device's CSV file can be imported in Intune.
+The **806 - ZtdDeviceAlreadyAssigned** and **808 - ZtdDeviceAssignedToOtherTenant** errors can occur if a device is already registered in your tenant or if a record of the device already exists in Microsoft Intune. The record must be removed before the device's CSV file can be imported in Intune.
 
 ## Solution
 
-To fix the issue, confirm whether the device record exists in Microsoft Store for Business:
+To fix the issue, confirm whether the device record exists in Microsoft Intune
 
-1. Sign in to [Microsoft Store for Business](https://businessstore.microsoft.com/).
-1. Select **Manage**, and then select **Devices**.
-1. Locate the device. If the device record exists, select the device, and then select **Remove devices**.
-1. Return to the [Microsoft Intune admin center](https://go.microsoft.com/fwlink/?linkid=2109431), and then reimport the CSV file.
+1. Sign in to the [Microsoft Intune admin center](https://go.microsoft.com/fwlink/?linkid=2109431), select **Devices** in the left pane.
 
-If the device record doesn't exist in Microsoft Store for Business or Intune, you might require assistance from Microsoft Support to remove the device record. In this case, collect the following information, and then create a service request by following the steps in [How to get support in Microsoft Intune admin center](/mem/intune/fundamentals/get-support):
+1. Under **By platform**, select **Windows**.
+
+1. Under **Device onboarding**, select **Enrollment**.
+
+1. Under **Windows Autopilot**, select **Devices**.
+
+1. Select the devices you want to delete, and then select **Delete** in the toolbar.
+
+    > [!NOTE]
+    > The deletion process might take a few minutes to complete.
+
+If the device record doesn't exist in Microsoft Intune, you might require assistance from Microsoft Support to remove the device record. In this case, collect the following information, and then create a service request by following the steps in [How to get support in the Microsoft Intune admin center](/mem/intune/fundamentals/get-support).
 
 - **Device CSV**: A copy of the device CSV file that generates the error.
 - **Proof of ownership**: Typically, this is a bill of sale or an invoice in PDF format.
@@ -52,8 +60,8 @@ If the device record doesn't exist in Microsoft Store for Business or Intune, yo
   > - The document that proves ownership of the device must be in its original form. Screenshots are not accepted.
   > - The serial number, chassis ID, or other unique identifier of the device must be present in the document. If it isn't, you need to request the vendor for an updated document of ownership which includes these details about the device.
   > - Your company's name must appear in the document.
-  > 
-  > Customers who use Microsoft Premier Support don't need to provide proof of ownership to deregister a device. However, they still need to prove that the device is in their possession. 
+  >
+  > Customers who use Microsoft Premier Support don't need to provide proof of ownership to deregister a device. However, they still need to prove that the device is in their possession.
 
 - **Diagnostic logs**:
 
@@ -67,4 +75,3 @@ If the device record doesn't exist in Microsoft Store for Business or Intune, yo
 
 > [!NOTE]
 > These files can be attached to the service request when you create the request.
-
diff --git a/support/power-platform/power-apps/canvas-app-performance/troubleshoot-perf-table.md b/support/power-platform/power-apps/canvas-app-performance/troubleshoot-perf-table.md
@@ -0,0 +1,49 @@
+---
+title: Troubleshoot Power Apps Canvas App Performance Issues
+description: Troubleshoot common performance issues in Power Apps canvas apps.
+author: lancedMicrosoft
+ms.custom: sap:Canvas App Performance
+ms.reviewer: lanced, aartigoyle
+ms.date: 02/14/2025
+ms.author: lanced
+search.audienceType: 
+  - maker 
+search.app: 
+  - PowerApps
+contributors:
+  - aartigoyle
+---
+# Troubleshoot Power Apps canvas app performance issues
+
+> [!TIP]
+> For performance issues, you can use profiling tools like [Monitor](/power-apps/maker/monitor-overview) and [Performance insights](/power-apps/maker/common/performance-insights-overview) to debug and diagnose problems.
+
+The following table outlines common performance issues you might encounter while using a canvas app, along with likely causes and recommendations. High-level issues are linked to more detailed documentation through their associated causes and recommendations. Some recommendations might appear multiple times, as the root cause can manifest in various symptoms.
+
+| Problem/Symptom   | Likely cause  | Recommendations |
+| ---|---|---|
+| Slow app/page load times | - Overloaded OnStart<br> - Large data sets<br> - Many cross-screen references <br> - Heavy media files    | - [Move calculations out of OnStart](/power-apps/maker/canvas-apps/working-with-large-apps#use-appformulas-instead-of-apponstart) <br> - [Use small data payloads](/power-apps/maker/canvas-apps/small-data-payloads) <br>  - [Defer loading data](/power-apps/maker/canvas-apps/efficient-calculations#defer-significant-updates-to-a-nonblocking-ui-step) <br> - [Optimize resource usage – media, controls, references](/power-apps/maker/canvas-apps/fast-app-page-load#minimize-required-resources)  |
+| Large data payloads    | - Retrieving unnecessary data<br> - Large data sets <br>    |- [Use small data payloads](/power-apps/maker/canvas-apps/small-data-payloads)<br>- [Use delegation](/power-apps/maker/canvas-apps/small-data-payloads#use-delegation) <br> - [Prefilter data at the source](/power-apps/maker/canvas-apps/optimized-query-data-patterns#use-server-side-views) <br> - [Limit data retrieval](/power-apps/maker/canvas-apps/small-data-payloads#suggestions) |
+| Inefficient data queries | - Nondelegable queries<br> - Complex data operations <br>    |- [Use delegation](/power-apps/maker/canvas-apps/small-data-payloads#use-delegation) <br> - [Optimize query patterns](/power-apps/maker/canvas-apps/optimized-query-data-patterns) |
+| Inefficient calculations | - Complex formulas<br> - Repeated calculations <br>    |- [Optimize formulas](/power-apps/maker/canvas-apps/efficient-calculations#calculations) <br> - [Split up long formulas](/power-apps/maker/canvas-apps/working-with-large-apps#split-up-long-formulas)|
+| Overall slow app performance | - Inefficient data retrieval<br> - Many cross-screen references<br> - Complex formulas<br>  - Overly large apps | - [Optimize data sources](/power-apps/maker/canvas-apps/optimized-query-data-patterns) <br> - [Optimize formulas](/power-apps/maker/canvas-apps/efficient-calculations#calculations) <br> - [Use collections for small, frequently used data](/power-apps/maker/canvas-apps/fast-app-page-load#avoid-directly-populating-a-collection-with-large-amounts-of-data) <br> - [Split up apps](/power-apps/maker/canvas-apps/working-with-large-apps#partition-the-app) |
+
+## More information
+
+For an overview of how to create a performant canvas app, see the [Overview of creating performant apps](/power-apps/maker/canvas-apps/create-performant-apps-overview).
+
+For more information and guidance on creating performant apps, see:
+
+- [Small data payloads - limit the amount of data you get](/power-apps/maker/canvas-apps/small-data-payloads)
+- [Optimized data query patterns](/power-apps/maker/canvas-apps/optimized-query-data-patterns)
+- [Optimize app or page load for peak performance](/power-apps/maker/canvas-apps/fast-app-page-load)
+- [Fast calculations](/power-apps/maker/canvas-apps/efficient-calculations)
+
+For more information on debugging canvas apps and performance issues, see:
+
+- [Understand canvas app execution phases and performance monitoring](/power-apps/maker/canvas-apps/execution-phases-data-flow)
+- [Creating performant apps](/power-apps/maker/canvas-apps/create-performant-apps-overview)
+- [Common canvas app performance issues and resolutions](/power-apps/maker/canvas-apps/common-performance-issue-resolutions)
+- [Debugging canvas apps with Monitor](/power-apps/maker/monitor-canvasapps)
+
+For functionality or performance issues with model-driven apps, see [Power Apps troubleshooting strategies](~/power-platform/power-apps/create-and-use-apps/isolate-common-issues.md).
diff --git a/support/power-platform/power-apps/create-and-use-apps/isolate-common-issues.md b/support/power-platform/power-apps/create-and-use-apps/isolate-common-issues.md
@@ -3,7 +3,7 @@ title: General Power Apps troubleshooting strategies
 description: Learn about general strategies to narrow down the cause of app errors.
 author: tahoon
 ms.reviewer: tapanm, lanced
-ms.date: 04/04/2024
+ms.date: 01/31/2025
 ms.author: tahoon
 ms.custom: sap:App Creation (Canvas App)
 search.audienceType: 
@@ -49,25 +49,12 @@ If your issue isn't listed, see [Next steps](#next-steps) later in this article.
 
 ## Performance troubleshooting
 
-For issues with **performance**, you can use profiling tools like [Monitor](/power-apps/maker/monitor-overview) and [Performance insights](/power-apps/maker/common/performance-insights-overview) to help you debug and diagnose problems.
+> [!TIP]
+> For performance issues, you can use profiling tools like [Monitor](/power-apps/maker/monitor-overview) and [Performance insights](/power-apps/maker/common/performance-insights-overview) to debug and diagnose problems.
 
 ### Canvas apps
 
-For an overview of how to create a performant canvas app, see the [Overview of creating performant apps](/power-apps/maker/canvas-apps/create-performant-apps-overview).
-
-For more information and guidance on creating performant apps, see:
-
-- [Small data payloads](/power-apps/maker/canvas-apps/small-data-payloads)
-- [Optimized data query patterns](/power-apps/maker/canvas-apps/optimized-query-data-patterns)
-- [Speed up app or page load](/power-apps/maker/canvas-apps/fast-app-page-load)
-- [Fast calculations](/power-apps/maker/canvas-apps/efficient-calculations)
-
-For information on debugging canvas apps and performance issues, see:
-
-- [Understand canvas app execution phases and performance monitoring](/power-apps/maker/canvas-apps/execution-phases-data-flow)
-- [Creating performant apps](/power-apps/maker/canvas-apps/create-performant-apps-overview)
-- [Common canvas app performance issues and resolutions](/power-apps/maker/canvas-apps/common-performance-issue-resolutions)
-- [Debugging canvas apps with Monitor](/power-apps/maker/monitor-canvasapps)
+For more information, see [Troubleshoot Power Apps canvas app performance issues](~/power-platform/power-apps/canvas-app-performance/troubleshoot-perf-table.md).
 
 ### Model-driven apps
 
diff --git a/support/power-platform/power-apps/toc.yml b/support/power-platform/power-apps/toc.yml
@@ -1,5 +1,9 @@
 - name: Power Apps Troubleshooting
   href: welcome-power-apps.yml
+- name: Canvas App Performance
+  items:
+    - name: Troubleshoot canvas app performance issues
+      href: canvas-app-performance/troubleshoot-perf-table.md
 - name: Connections
   items:
     - name: Best practices when updating a flow
diff --git a/support/windows-server/networking/slow-smb-file-transfer.md b/support/windows-server/networking/slow-smb-file-transfer.md
@@ -1,7 +1,7 @@
 ---
 title: Slow SMB files transfer speed
 description: Learn how to resolve transfer performance issues with SMB files by using the provided troubleshooting steps.
-ms.date: 01/15/2025
+ms.date: 02/13/2025
 manager: dcscontentpm
 audience: itpro
 ms.topic: troubleshooting
@@ -15,12 +15,9 @@ Server Message Block (SMB) is the default Windows network file system feature an
 ## Slow transfer
 
 > [!NOTE]
-> [SMB signing](https://techcommunity.microsoft.com/t5/storage-at-microsoft/configure-smb-signing-with-confidence/ba-p/2418102) and [SMB encryption](/windows-server/storage/file-server/smb-security) are known to slow down SMB transfers. The amount of the performance loss depends greatly on the capabilities of the hardware involved. The primary factors are the count and speed of the CPU core, and how much CPU time is dedicated to other workloads. 
+> [SMB signing](https://techcommunity.microsoft.com/t5/storage-at-microsoft/configure-smb-signing-with-confidence/ba-p/2418102) and [SMB encryption](/windows-server/storage/file-server/smb-security) are known to slow down SMB transfers. The amount of the performance loss depends greatly on the capabilities of the hardware involved. The primary factors are the count and speed of the CPU cores, and how much CPU time is dedicated to other workloads. 
 > 
-> [SMB signing will be required by default](https://aka.ms/SmbSigningRequired) in Windows 11, version 24H2 (preview) and Windows Server 2025 (preview). We don't recommend turning off the SMB client and server signing requirement, as they provide significant protection against spoofing, tampering, and relay attacks.
-
-> [!Important]
-> Windows 11, version 24H2 and Windows Server 2025 are in PREVIEW. This information relates to a prerelease product that may be substantially modified before it's released. Microsoft makes no warranties, expressed or implied, with respect to the information provided here.
+> Starting with Windows 11, version 24H2 and Windows Server 2025, [SMB signing is required](https://aka.ms/SmbSigningRequired) by default. We don't recommend turning off the SMB client and server signing requirement, as they provide significant protection against spoofing, tampering, and relay attacks.
 
 The following steps can be used to analyze, troubleshoot, and resolve common issues with slow SMB transfers.
 
@@ -30,11 +27,11 @@ The following steps can be used to analyze, troubleshoot, and resolve common iss
   - Robocopy is optimized for IT administrators to create high-performance local and remote file copy tasks.
   - File Explorer is convenient for basic use, but lacks the performance optimizations of robocopy that certain tasks require.
 
-- Try an unbuffered I/O copy for files larger than 1 GB by using the `robocopy /J` command from the command line.
+- Try an unbuffered I/O copy for files larger than 1 GB by using the `robocopy /J` command from Command Prompt or PowerShell.
 - Enable and use [SMB compression](/windows-server/storage/file-server/smb-compression).
 
-  - This greatly reduces transfer time and bandwidth utilization for large files containing significant whitespace, such as virtual machine disks, `.iso`, and `.dmp`.
-  - Non-compressible data, like archive files (`.zip`, `.7z`, and `.rar`), `.mp4` videos, and `.mp3` files won't see significant performance improvements with SMB compression.
+  - This greatly reduces transfer time and bandwidth utilization for large files containing significant whitespace, such as virtual machine disks (`.vhd`, `.vhdx`, `.vmdk`, and `.ovf`), `.iso`, and `.dmp` files.
+  - Non-compressible data, like archive (`.zip`, `.7z`, and `.rar`), video (`.mp4` and `.mkv`), and audio (`.mp3` and `.flac`) files won't see significant performance improvements with SMB compression.
   - SMB compression is available starting with Windows 11 and Windows Server 2022.
 
 - SMB speeds can be limited by storage performance.
@@ -62,7 +59,7 @@ The following steps can be used to analyze, troubleshoot, and resolve common iss
 
 - Transfers are slow only when using certain technologies or a [Scale-Out File Server (SOFS)](/windows-server/failover-clustering/sofs-overview).
 
-  - Some technologies, typically backup or database-based, require disk write-through to maintain data integrity.
+  - Some technologies, typically backups and databases, require disk write-through to maintain data integrity.
   - Windows SOFS requires write-through, as does SQL backups.
   - Disk write-through requires that the storage operation bypasses all storage caches and buffers and must be committed directly to the storage medium for the operation to complete.
   - In these cases, a storage system that lacks high write-through performance can't provide performant SMB transfers.
@@ -123,15 +120,15 @@ Network latency, SMB `create` commands, and antivirus programs contribute to a s
  
   - Robocopy is built into Windows, and the `/MT` parameter enables multi-threaded file copies.
   - Multi-threaded copies help by running many data transfers in parallel.
-    - While one or two files are being created, multiple files can be transferred.
+    - While one or two files are being created, the data of multiple files can be transferred.
     - This increases the amount of in-flight network data and minimizes pauses in the network data stream.
   - Writing to the console is another time-consuming operation, so redirecting the output to a log file speeds up the transfer job.
   - By default, `/MT` copies eight files at a time. It supports up to 128 copies at a time.
   - Too many threads may harm performance. Two threads per CPU core is generally safe, but testing is highly advised to find the optimal performance number.
   - For more information about usage details, see [robocopy](/windows-server/administration/windows-commands/robocopy).
 
 - Use `AzCopy` when moving data to/from Azure. 
-  - [AzCopy](https://aka.ms/azcopy) has concurrency (multi-threading) capabilities and several [performance optimizations](/azure/storage/common/storage-use-azcopy-optimize).
+  - [AzCopy](https://aka.ms/azcopy) has concurrency (multi-threading) capabilities and several [performance optimizations](/azure/storage/common/storage-use-azcopy-optimize) for cloud workloads.
 
 - Use file compression.
    - Compress the small files into a large archive file (`.zip`, `.7z`, `.rar`, `.tar`, and `.gz`).
@@ -157,6 +154,15 @@ You should verify that the Office and SMB binaries are up-to-date, and then test
    Set-SmbServerConfiguration -EnableLeasing $false
    ```
 
+   Alternatively, to disable leasing on a per-share basis in Windows Server 2019 and later versions, run the following cmdlet:
+
+   > [!IMPORTANT]
+   > We recommend testing with `LeasingMode` set to `Shared` first. This allows some leasing while disabling the portions that typically cause slowness. Use `None` only as a final option.
+
+   ```powershell
+   Set-SmbShare -Name <ShareName> -LeasingMode [Shared|None]
+   ```
+
 2. This works immediately on a new SMB client connection. There's no need to restart the SMB server or client machines. 
 
 To avoid this issue, you can also replicate the file to a local file server. For more information, see [saving Office documents to a network server is slow when using EFS](/office/troubleshoot/office/saving-file-to-network-server-slow).
