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Update media-dynamic-update.md
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windows/deployment/update/media-dynamic-update.md
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@ -81,6 +81,9 @@ This table shows the correct sequence for applying the various tasks to the file
|Add .NET and .NET cumulative updates | | | 24 |
|Export image | 8 | 17 | 25 |
> [!NOTE]
> Starting in February 2021, the latest cumulative update and servicing stack update will be combined and distributed in the Microsoft Update Catalog as a new combined cumulative update. For Steps 1, 9, and 18 that require the servicing stack update for updating the installation media, you should use the combined cumulative update. For more information on the combined cumulative update, see [Servicing stack updates](https://docs.microsoft.com/windows/deployment/update/servicing-stack-updates).
### Multiple Windows editions
The main operating system file (install.wim) contains multiple editions of Windows 10. It’s possible that only an update for a given edition is required to deploy it, based on the index. Or, it might be that all editions need an update. Further, ensure that languages are installed before Features on Demand, and the latest cumulative update is always applied last.

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windows/deployment/update/servicing-stack-updates.md
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@ -29,8 +29,6 @@ Servicing stack updates provide fixes to the servicing stack, the component that
Servicing stack updates improve the reliability of the update process to mitigate potential issues while installing the latest quality updates and feature updates. If you don't install the latest servicing stack update, there's a risk that your device can't be updated with the latest Microsoft security fixes.
For information about some changes to servicing stack updates, see [Simplifing Deployment of Servicing Stack Updates](https://techcommunity.microsoft.com/t5/windows-it-pro-blog/simplifying-on-premises-deployment-of-servicing-stack-updates/ba-p/1646039) on the Windows IT Pro blog.
## When are they released?
Servicing stack update are released depending on new issues or vulnerabilities. In rare occasions a servicing stack update may need to be released on demand to address an issue impacting systems installing the monthly security update. Starting in November 2018 new servicing stack updates will be classified as "Security" with a severity rating of "Critical."
@ -44,7 +42,6 @@ Both Windows 10 and Windows Server use the cumulative update mechanism, in which
Servicing stack updates must ship separately from the cumulative updates because they modify the component that installs Windows updates. The servicing stack is released separately because the servicing stack itself requires an update. For example, the cumulative update [KB4284880](https://support.microsoft.com/help/4284880/windows-10-update-kb4284880) requires the [May 17, 2018 servicing stack update](https://support.microsoft.com/help/4132216), which includes updates to Windows Update.
## Is there any special guidance?
Microsoft recommends you install the latest servicing stack updates for your operating system before installing the latest cumulative update.
@ -58,3 +55,7 @@ Typically, the improvements are reliability and performance improvements that do
* Servicing stack update releases are specific to the operating system version (build number), much like quality updates.
* Search to install latest available [Servicing stack update for Windows 10](https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/ADV990001).
* Once a servicing stack update is installed, it cannot be removed or uninstalled from the machine.
## Simplifying on-premises deployment of servicing stack updates
With the Windows Update experience, servicing stack updates and cumulative updates are deployed together to the device. The update stack automatically orchestrates the installation, so both are applied correctly. Starting in February 2021, the cumulative update will include the latest servicing stack updates, to provide a single cumulative update payload to both Windows Server Update Services (WSUS) and Microsoft Catalog. If you use an endpoint management tool backed by WSUS, such as Configuration Manager, you will only have to select and deploy the monthly cumulative update. The latest servicing stack updates will automatically be applied correctly. Release notes and file information for cumulative updates, including those related to the servicing stack, will be in a single KB article. The combined monthly cumulative update will be available on Windows 10, version 2004 and later starting with the 2021 2C release, KB4601382.