Software⏱️ 4 min read📅 2026-06-11

How to Fix 0x800F0906 Error – .NET 3.5 installation comes up with Error 0x800F0906, then 0x800F0081F using dism

Error code 0x800F0906 and 0x800F0081F during .NET 3.5 installation on Windows 8.1.

Quick Answer: Try using the DISM command with the correct syntax, ensuring the source path is accurate and the feature name is spelled correctly.

📋 Table of Contents

  1. ⚠️ Common Causes
  2. 🚀 How to Resolve This Issue
  3. ✨ Wrapping Up

The .NET Framework 3.5 installation process on Windows 8.1 can be frustrating, especially when it results in error code 0x800F0906 or 0x800F0081F. These errors are typically caused by issues with the DISM (Deployment Image Servicing and Management) tool or problems with the .NET Framework installation package.

Despite trying various workarounds, such as enabling the feature through the DISM console or using command-line scripts, many users have reported similar results. In this troubleshooting guide, we will walk you through the steps to resolve these errors and successfully install the .NET Framework 3.5.

⚠️ Common Causes

  • The primary reason for this error is a corrupted or incomplete installation package of the .NET Framework 3.5. This can occur when the installation process fails to download or extract the necessary files correctly, resulting in an invalid package that DISM cannot recognize.
  • Another possible cause is a conflict between the .NET Framework version installed on the system and the version being attempted to be installed. In some cases, the system may have multiple versions of the .NET Framework installed, which can lead to installation errors.

🚀 How to Resolve This Issue

Enabling the Feature through DISM Console

  1. Step 1: 1. Open the DISM console on your Windows 8.1 installation media (CD or USB drive). You can do this by navigating to the 'Windows' folder and running the `dism.exe` file.
  2. Step 2: 2. In the DISM console, click on the 'Add/Remove Features' option from the left-hand menu.
  3. Step 3: 3. Select '.NET Framework 3.5 (Feature)' from the list of available features and click 'Next'.
  4. Step 4: 4. Click 'Install' to begin the installation process.
  5. Step 5: 5. Wait for the installation to complete and restart your system when prompted.

Using Command-Line Scripts with LimitAccess Option

  1. Step 1: 1. Copy the .NET Framework 3.5 installation package files from the Windows 8 CD or USB drive to a temporary location on your system (e.g., `C: emp`).
  2. Step 2: 2. Run the DISM command-line script with the `/LimitAccess` option, specifying the source directory where the package files are located: `Dism /online /enable-feature /featurename:NetFx3 /All /Source:C:\temp\dotnet35 /LimitAccess`.
  3. Step 3: 3. Wait for the installation to complete and restart your system when prompted.

✨ Wrapping Up

By following these steps, you should be able to successfully install the .NET Framework 3.5 on your Windows 8.1 system and resolve the error code 0x800F0906 or 0x800F0081F. If you continue to encounter issues, it may be helpful to seek further assistance from Microsoft support resources.

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