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windows/deployment/update/waas-delivery-optimization-faq.md
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@ -36,7 +36,7 @@ Delivery Optimization also communicates with its cloud service by using HTTP/HTT
## What are the requirements if I use a proxy?
For Delivery Optimization to successfully use the proxy, you should set up the proxy by using Windows proxy settings or Internet Explorer proxy settings. For details see [Using a proxy with Delivery Optimization](../do/delivery-optimization-proxy.md). Most content downloaded with Delivery Optimization uses byte range requests. Make sure your proxy allows byte range requests. For more information, see [Proxy requirements for Windows Update](/windows/deployment/update/windows-update-troubleshooting.md).
For Delivery Optimization to successfully use the proxy, you should set up the proxy by using Windows proxy settings or Internet Explorer proxy settings. For details see [Using a proxy with Delivery Optimization](../do/delivery-optimization-proxy.md). Most content downloaded with Delivery Optimization uses byte range requests. Make sure your proxy allows byte range requests. For more information, see [Proxy requirements for Windows Update](/windows/deployment/update/windows-update-troubleshooting).
## What hostnames should I allow through my firewall to support Delivery Optimization?

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windows/deployment/update/waas-quick-start.md
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@ -31,7 +31,7 @@ Some new terms have been introduced as part of Windows as a service, so you shou
- **Insider Preview** builds are made available during the development of the features that will be shipped in the next feature update, enabling organizations to validate new features and confirm compatibility with existing apps and infrastructure, providing feedback to Microsoft on any issues encountered.
- **Servicing channels** allow organizations to choose when to deploy new features.
- The **General Availability Channel** receives feature updates annually.
- The **Long-Term Servicing Channel**, which meant only for specialized devices (which typically don't run Office) such as those that control medical equipment or ATM machines, receives new feature releases every two to three years.
- The **Long-Term Servicing Channel**, which is meant only for specialized devices (which typically don't run Office) such as those that control medical equipment or ATMs, receives new feature releases every two to three years.
- **Deployment rings** are groups of devices used to initially pilot, and then to broadly deploy, each feature update in an organization.
See [Overview of Windows as a service](waas-overview.md) for more information.

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windows/deployment/update/windows-update-errors.md
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@ -118,7 +118,7 @@ The following table provides information about common errors you might run into
| Message | Description | Mitigation |
|---------|-------------|------------|
| CBS_E_ABORT; client abort, IDABORT returned by ICbsUIHandler method except Error() | CBS transaction timeout exceeded. | A servicing operation is taking a long time to complete. The servicing stack watchdog timer expires. Extending the timeout will mitigate the issue. Increase the resources on the device. If a virtual machine, increase virtual CPU and memory to speed up operations. Make sure the has installed the update in KB4493473 or later.|
| CBS_E_ABORT; client abort, IDABORT returned by ICbsUIHandler method except Error() | CBS transaction timeout exceeded. | A servicing operation is taking a long time to complete. The servicing stack watchdog timer expires. Extending the timeout will mitigate the issue. Increase the resources on the device. If a virtual machine, increase virtual CPU and memory to speed up operations. Make sure the device has installed the update in KB4493473 or later.|
## 0x800f0825
@ -148,7 +148,7 @@ The following table provides information about common errors you might run into
| Message | Description | Mitigation |
|---------|-------------|------------|
| E_ACCESSDENIED; General access denied error | File system or registry key permissions have been changed and the servicing stack doesn't have the required level of access. | This error generally means an access was denied.<br> Go to %Windir%\logs\CBS, open the last CBS.log and search for “, error” and match with the timestamp. After finding the error, scroll up and try to determine what caused the access denial. It could be acess denied to a file, registry key. Determine what object needs the right permissions and change the permissions as needed. |
| E_ACCESSDENIED; General access denied error | File system or registry key permissions have been changed and the servicing stack doesn't have the required level of access. | This error generally means an access was denied.<br> Go to %Windir%\logs\CBS, open the last CBS.log and search for “, error” and match with the timestamp. After finding the error, scroll up and try to determine what caused the access denial. It could be access denied to a file, registry key. Determine what object needs the right permissions and change the permissions as needed. |
## 0x80070570
@ -198,7 +198,7 @@ The following table provides information about common errors you might run into
| Message | Description | Mitigation |
|---------|-------------|------------|
| WININET_E_TIMEOUT; The operation timed out | Unable to scan for updates due to a connectivity issue to Windows Update, Configuration Manager, or WSUS. | This error generally means that the Windows Update Agent was unable to connect to the update servers or your own source, such as WSUS, Configuration Manager, or Microsoft Endpoint Manager. <br> Check with your network team to ensure that the device can reach the update sources. For more info, see [Troubleshoot software update scan failures in Configuration Manager](/troubleshoot/mem/configmgr/troubleshoot-software-update-scan-failures). <br> If you’re using the public Microsoft update servers, check that your device can access the following Windows Update endpoints: <br> `http://windowsupdate.microsoft.com` <br> https://.windowsupdate.microsoft.com <br> https://update.microsoft.com <br> https://*.update.microsoft.com <br> https://windowsupdate.com <br> https://*.windowsupdate.com <br> https://download.windowsupdate.com <br> https://*.download.windowsupdate.com <br> https://download.microsoft.com <br> https://*.download.windowsupdate.com <br> https://wustat.windows.com <br> https://*.wustat.windows.com <br> https://ntservicepack.microsoft.com |
| WININET_E_TIMEOUT; The operation timed out | Unable to scan for updates due to a connectivity issue to Windows Update, Configuration Manager, or WSUS. | This error generally means that the Windows Update Agent was unable to connect to the update servers or your own source, such as WSUS, Configuration Manager, or Microsoft Endpoint Manager. <br> Check with your network team to ensure that the device can reach the update sources. For more info, see [Troubleshoot software update scan failures in Configuration Manager](/mem/configmgr/troubleshoot-software-update-scan-failures). <br> If you’re using the public Microsoft update servers, check that your device can access the following Windows Update endpoints: <br> `http://windowsupdate.microsoft.com` <br> `https://*.windowsupdate.microsoft.com` <br> `https://update.microsoft.com` <br> `https://*.update.microsoft.com` <br> `https://windowsupdate.com` <br> `https://*.windowsupdate.com` <br> `https://download.windowsupdate.com` <br> `https://*.download.windowsupdate.com` <br> `https://download.microsoft.com` <br> `https://*.download.windowsupdate.com` <br> `https://wustat.windows.com` <br> `https://*.wustat.windows.com` <br> `https://ntservicepack.microsoft.com` |
## 0x80240022

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windows/deployment/update/windows-update-troubleshooting.md
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@ -20,6 +20,8 @@ ms.collection: highpri
- Windows 10
- Windows 11
<p class="alert is-flex is-primary"><span class="has-padding-left-medium has-padding-top-extra-small"><a class="button is-primary" href="https://vsa.services.microsoft.com/v1.0/?partnerId=7d74cf73-5217-4008-833f-87a1a278f2cb&flowId=DMC&initialQuery=wu" target='_blank'><b>Try our Virtual Agent</b></a></span><span class="has-padding-small"> - It can help you quickly identify and fix common Windows Update issues</span>
If you run into problems when using Windows Update, start with the following steps:
1. Run the built-in Windows Update troubleshooter to fix common issues. Navigate to **Settings > Update & Security > Troubleshoot > Windows Update**.