A value of "0" means that an unlimited amount of data can be uploaded. The default value for this setting is 20 GB. This setting determines whether a device will be allowed to participate in Peer Caching while connected to VPN. Specify "true" to allow the device to participate in Peer Caching while connected via VPN to the domain network. The device can download from or upload to other domain network devices, either on VPN or on the corporate domain network.
This setting specifies battery levels at which a device will be allowed to upload data. Uploads will automatically pause when the battery level drops below the set minimum battery level.
The device can download from peers while on battery regardless of this policy. By default, devices will not upload while on battery. To enable uploads while on battery, you need to enable this policy and set the battery value under which uploads pause. Set this policy to designate one or more Microsoft Connected Cache servers to be used by Delivery Optimization. This policy allows you to specify how your client s can discover Delivery Optimization in Network Cache servers dynamically.
There are two options:. Option 2 overrides the Cache Server Hostname policy, if set. Specify the custom DHCP option on your server as text type. The default value of 0 zero means that Delivery Optimization dynamically adjusts to use the available bandwidth for downloads. The default value 0 zero means that Delivery Optimization dynamically adjusts to use the available bandwidth for downloads. Skip to main content. This browser is no longer supported.
Download Microsoft Edge More info. Contents Exit focus mode. Is this page helpful? Please rate your experience Yes No. Any additional feedback? Note It is possible to configure preferred cache devices.
Note If the Modify Cache Drive policy is set, the disk size check will apply to the new working directory specified by this policy. Modify cache drive. Specify the drive that Delivery Optimization uses for its cache. You can use an environment variable, drive letter, or a full path. Maximum cache age in days. Specify for how long after each file successfully downloads that the file is held in the Delivery Optimization cache on a device.
With Intune, you configure the cache age in days. The number of days you define is converted into the applicable number of seconds, which is how Windows defines this setting. For example, an Intune configuration of 3 days is converted on the device to seconds 3 days. Select how to manage the amount of disk space on a device that is used by Delivery Optimization. Not configured Default Absolute — Specify the Absolute maximum cache size in GB to configure the maximum amount of drive space a device can use for Delivery Optimization.
When set to 0 zero , the cache size is unlimited, although Delivery Optimization will clear the cache when the device is low on disk space. The percentage is of the available drive space, and Delivery Optimization constantly assesses the available drive space and will clear the cache to keep the maximum cache size under the set percentage.
VPN peer caching. Devices that are enabled can download from or upload to other domain network devices, either on VPN or on the corporate domain network. Delay foreground download Cache Server fallback in seconds. Specify a time in seconds to delay the fallback from a Cache server to the HTTP source for a foreground content download.
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Submit and view feedback for This product This page. View all page feedback. Windows Update Delivery Optimization helps you get Windows updates and Microsoft Store apps more quickly and reliably.
Windows Update Delivery Optimization works by letting you get Windows updates and Microsoft Store apps from sources in addition to Microsoft, like other PCs on your local network, or PCs on the internet that are downloading the same files.
Delivery Optimization also sends updates and apps from your PC to other PCs on your local network or PCs on the internet, based on your settings. When Windows downloads an update or app using Delivery Optimization, it will look for other PCs on your local network or from the internet, depending on your settings that have already downloaded that update or app.
Instead, the download is broken down into smaller parts. Windows then gets parts of the update or app from the PCs that have it, and parts from Microsoft. Windows uses the fastest, most reliable download source for each part. Delivery Optimization creates a local cache, and stores files that it has downloaded in that cache for a short period of time. The service will register and open this port on the device, but you might need to set this port to accept inbound traffic through your firewall yourself.
If you don't allow inbound traffic over port , you can't use the peer-to-peer functionality of Delivery Optimization. If you set up Delivery Optimization to create peer groups that include devices across NATs or any form of internal subnet that uses gateways or firewalls between subnets , it will use Teredo.
Look for a "NAT traversal" setting in your firewall to set this up. 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. 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.
It relies on the cloud service for peer discovery, resulting in a list of peers and their IP addresses. For more details, see this post on the Networking Blog. Delivery Optimization attempts to identify VPNs by checking the network adapter type and details and will treat the connection as a VPN if the adapter description contains certain keywords, such as "VPN" or "secure.
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