The following policies are provided as well.

100: Bypass mode: Delivery Optimization is not used at all, BITS is used instead.

Delivery Optimization uses HTTP only, won't contact to Delivery Optimization cloud services. (Default for Pro and Home editions of Windows 10)

3: Delivery Optimization uses LAN and Internet peers.

2: Private Group only: either same Active Directory Site or same domain.

(Default for Enterprise and Education editions of Windows 10)

1: Delivery Optimization behind the same NAT only.You may set Download Mode to one of the following values: The main one is Download Mode which determines whether Delivery Optimization is enabled, and how it is being used. Several policies are listed under Delivery Optimization. Navigate to Computer Configuration > Administrative Templates > Windows Components > Delivery Optimization using the tree hierarchy on the left.Tap on the Windows-key, type gpedit.msc and hit enter.You may define Delivery Optimization using the Local Group Policy Editor. While you get some options to control Delivery Optimization using the Settings application, several are missing. The latter defines update sources and destinations if Delivery Optimization is enabled. You may toggle the feature on or off there on the page, and switch between 'PCs on my local network' and 'PCs on my local network, and PCs on the Internet'. The page lists whether Delivery Optimization is enabled on the device, and how it is configured.

Navigate to Update & Security > Windows Update > Advanced options > Choose how updates are delivered.

Use the keyboard shortcut Windows-I to open the Settings application.

For updates that are not available and updates that cannot be retrieved for other reasons, WSUS is used instead.įirst thing you may want to do is check the Delivery Optimization configuration on the PC.

If peers are discovered, the PC tries to download the updates from those systems.

For updates that match the update policy on the PC, the PC checks with the Delivery Optimization service to find out whether local network or Internet sources are available that have the update already (based on configuration of the Delivery Optimization service).

The PC checks WSUS to find out if updates are available.

The whole process looks like the following:

Delivery optimization windows 10