Disable .NET Framework 4.8 from Windows Update

About the .NET Framework 4.8

The .NET Framework 4.8 is an in-place upgrade to versions 4, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2 and 4.7 of the .NET Framework. In case of Exchange / Skype for Business Server 2015 if you don’t have the corresponsing CU patch or product level we will need to block the automatic installation through Windows Update of the .NET Framework 4.8 patch.

These steps describes how to perform this blocking action.

How to disable update .NET 4.8 from Windows Update in Server 2016

1. Back up the registry.

2. Start Registry Editor. To do this, click Start, type **regedit **in the Start Search box, and then press Enter.

3. Locate and click the following subkey:

   HKEY_LOCAL_MACHINE\Software\Microsoft\NET Framework Setup\NDP

4. After you select this subkey, point to **New **on the **Edit **menu, and then click Key.

5. Type WU, and then press Enter.

6. Right-click WU, point to New, and then click **DWORD **Value.

7. Type BlockNetFramework48, and then press Enter.

8. Right-click BlockNetFramework48, and then click Modify.

9. In the **Value **data box, type 1, and then click OK.

10. On the **File **menu, click **Exit **to exit Registry Editor.

Disable via Powershell

	New-Item -Path 'HKLM:\Software\Microsoft\NET Framework Setup\NDP\WU' -force
	New-ItemProperty -Path 'HKLM:\Software\Microsoft\NET Framework Setup\NDP\WU' -Name BlockNetFramework48 -Value 1 -PropertyType 'DWord' -Force

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