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40 lines
1.8 KiB
Markdown
40 lines
1.8 KiB
Markdown
---
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title: Servicing stack updates (Windows 10)
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description: Servicing stack updates improve the code that installs the other updates.
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ms.prod: w10
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ms.mktglfcycl: manage
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ms.sitesec: library
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author: Jaimeo
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ms.localizationpriority: medium
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ms.author: jaimeo
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ms.date: 05/29/2018
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---
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# Servicing stack updates
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**Applies to**
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- Windows 10
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## What is a servicing stack update?
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The "servicing stack" is the code that installs other operating system updates. Additionally, it contains the "component-based servicing stack" (CBS), which is a key underlying component for several elements of Windows deployment, such as DISM, SFC, changing Windows features or roles, and repairing components. The CBS is a small component that typically does not have updates released every month.
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## Why should servicing stack updates be installed and kept up to date?
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Having the latest servicing stack update is a prerequisite to reliably installing the latest quality updates and feature updates.
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## When are they released?
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Currently, the servicing stack update releases are aligned with the monthly quality update release date, though sometimes they are released on a separate date if required.
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## Is there any special guidance?
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Typically, the improvements are reliability, security, and performance improvements that do not require any specific special guidance. If there is any significant impact, it will be present in the release notes.
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## Installation notes
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• Servicing stack updates contain the full servicing stack; as a result, typically administrators only need to install the latest servicing stack update for the operating system.
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• Installing servicing stack update does not require restarting the device, so installation should not be disruptive.
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• Servicing stack update releases are specific to the operating system version (build number), much like quality updates.
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