Update for the .NET Framework 4.6.2 on Windows 8.1 and Windows Server 2012 R2 (KB4020499): May 2, 2017

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This article describes an update for the .NET Framework 4.6.2 on Windows 8.1 and Windows Server 2012 R2. The update fixes the issue that is described in Knowledge Base article 4020459 for customers who experience “privilege not held” errors after the April 2017 security updates from CVE-2017-0160 are applied. Before you install this update, see the "Prerequisites" and "Restart requirement" sections.

Update information

After you apply the April 2017 security updates that are described in Microsoft security update guidance CVE-2017-0160, the Windows PowerShell v3.0+ stop-computer command fails. When this issue occurs, you receive a "Privilege not held" error message. This update provides a resolution to this issue.

How to get this update

For Windows 8.1 and Windows Server 2012 R2

This update is available by manual download only.

Manual download

To get the stand-alone package for this update, go to the Microsoft Update Catalog website.


To apply this update, you must have the .NET Framework 4.6.2 installed.

Restart requirement

You must restart the computer after you apply this update if any affected files are being used. We recommend that you exit all .NET Framework-based applications before you apply this update.

Applies to

This article applies to the following:

  • Microsoft .NET Framework 4.6.2 when used with:

    • Windows Server 2012 R2

    • Windows 8.1

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