Update manage-protection-updates-windows-defender-antivirus.md

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Denise Vangel-MSFT 2020-01-09 19:30:23 -08:00
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@ -30,7 +30,7 @@ Keeping your antivirus protection up to date is critical. There are two componen
- *Where* the updates are downloaded from; and
- *When* updates are downloaded and applied.
This article describes the *where* - how to specify where updates should be downloaded from (this is also known as the fallback order). See [Manage Windows Defender Antivirus updates and apply baselines](manage-updates-baselines-windows-defender-antivirus.md) topic for an overview on how updates work, and how to configure other aspects of updates (such as scheduling updates).
This article describes how to specify from where updates should be downloaded (this is also known as the fallback order). See [Manage Windows Defender Antivirus updates and apply baselines](manage-updates-baselines-windows-defender-antivirus.md) topic for an overview on how updates work, and how to configure other aspects of updates (such as scheduling updates).
> [!IMPORTANT]
> Microsoft Defender Antivirus Security intelligence updates are delivered through Windows Update and starting Monday, October 21, 2019, all security intelligence updates will be SHA-2 signed exclusively. Your devices must be updated to support SHA-2 in order to update your security intelligence. To learn more, see [2019 SHA-2 Code Signing Support requirement for Windows and WSUS](https://support.microsoft.com/help/4472027/2019-sha-2-code-signing-support-requirement-for-windows-and-wsus).