This commit is contained in:
Carmen Forsmann
2023-02-14 20:25:06 -07:00
parent 845a7a9b7a
commit b00b99131d
2 changed files with 6 additions and 5 deletions

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@ -129,8 +129,8 @@ Download mode dictates which download sources clients are allowed to use when do
| Group (2) | When group mode is set, the group is automatically selected based on the device's Active Directory Domain Services (AD DS) site (Windows 10, version 1607) or the domain the device is authenticated to (Windows 10, version 1511). In group mode, peering occurs across internal subnets, between devices that belong to the same group, including devices in remote offices. You can use GroupID option to create your own custom group independently of domains and AD DS sites. Starting with Windows 10, version 1803, you can use the GroupIDSource parameter to take advantage of other method to create groups dynamically. Group download mode is the recommended option for most organizations looking to achieve the best bandwidth optimization with Delivery Optimization. |
| Internet (3) | Enable Internet peer sources for Delivery Optimization. |
| Simple (99) | Simple mode disables the use of Delivery Optimization cloud services completely (for offline environments). Delivery Optimization switches to this mode automatically when the Delivery Optimization cloud services are unavailable, unreachable or when the content file size is less than 10 MB. In this mode, Delivery Optimization provides a reliable download experience, with no peer-to-peer caching. |
|Bypass (100) | This option is deprecated starting in Windows 11.
If you want to disable peer-to-peer functionality, it's best to set DownloadMode to (0). If your device doesnt have internet access, set Download Mode to (99). Bypass Delivery Optimization and use BITS, instead. You should only select this mode if you use WSUS and prefer to use BranchCache. You don't need to set this option if you're using Configuration Manager.
| Bypass (100) | This option is deprecated starting in Windows 11.
If you want to disable peer-to-peer functionality, it's best to set DownloadMode to (0). If your device doesnt have internet access, set Download Mode to (99). Bypass Delivery Optimization and use BITS, instead. You should only select this mode if you use WSUS and prefer to use BranchCache. You don't need to set this option if you're using Configuration Manager. |
> [!NOTE]
> Starting in Windows 11, the Bypass option of Download Mode is deprecated.

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@ -14,11 +14,10 @@ ms.date: 12/31/2017
# Optimize Windows update delivery
**Applies to**
- Windows 10
- Windows 11
- Windows 10
- Windows 11
> **Looking for consumer information?** See [Windows Update: FAQ](https://support.microsoft.com/help/12373/windows-update-faq)
@ -57,6 +56,7 @@ Windows client quality update downloads can be large because every package conta
> Express update delivery applies to quality update downloads. Starting with Windows 10, version 1709, Express update delivery also applies to feature update downloads for clients connected to Windows Update and Windows Update for Business.
### How Microsoft supports Express
- **Express on Microsoft Configuration Manager** starting with version 1702 of Configuration Manager and Windows 10, version 1703 or later, or Windows 10, version 1607 with the April 2017 cumulative update.
- **Express on WSUS Standalone**
@ -67,6 +67,7 @@ Windows client quality update downloads can be large because every package conta
### How Express download works
For OS updates that support Express, there are two versions of the file payload stored on the service:
1. **Full-file version** - essentially replacing the local versions of the update binaries.
2. **Express version** - containing the deltas needed to patch the existing binaries on the device.