deepblue/windows-itpro-docs
1
0
Fork 0
mirror of https://github.com/MicrosoftDocs/windows-itpro-docs.git synced 2025-06-07 18:17:22 +00:00
Code Issues Actions 2 Packages Projects Releases Wiki Activity

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

Browse Source
This commit is contained in:
denisebmsft 2019-10-18 11:15:31 -07:00
parent c2611041b4
commit 92c0046c30
1 changed files with 7 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
windows/security/threat-protection/windows-defender-antivirus/manage-protection-updates-windows-defender-antivirus.md
View File

@ -30,12 +30,16 @@ 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).
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).
> [!IMPORTANT]
> Microsoft Defender Antivirus Security intelligence updates are delivered thru 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 the 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).
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).
<a id="fallback-order"></a>
## Fallback order
Typically, you configure endpoints to individually download updates from a primary source, followed by other sources in order of priority, based on your network configuration. Updates are obtained from sources in the order you specify. If a source is not available, the next source in the list is used.
When updates are published, some logic is applied to minimize the size of the update. In most cases, only the differences between the latest update and the update that is currently installed (this is referred to as the delta) on the device is downloaded and applied. However, the size of the delta depends on two main factors:
@ -136,7 +140,7 @@ SignatureDefinitionUpdateFileSharesSource
```
See the following for more information:
- [Windows Defender WMIv2 APIs](https://msdn.microsoft.com/library/dn439477(v=vs.85).aspx)
- [Windows Defender WMIv2 APIs](https://docs.microsoft.com/previous-versions/windows/desktop/defender/windows-defender-wmiv2-apis-portal)
## Use Mobile Device Management (MDM) to manage the update location