From b4a94af7a3154d7061f5ff5a1dbc25b56af71089 Mon Sep 17 00:00:00 2001 From: Narkis Engler <41025789+narkissit@users.noreply.github.com> Date: Tue, 27 Jun 2023 19:35:38 -0700 Subject: [PATCH 1/4] Update waas-delivery-optimization-faq.yml adding clarification that Download Mode 100 is not recommended. --- windows/deployment/do/waas-delivery-optimization-faq.yml | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/windows/deployment/do/waas-delivery-optimization-faq.yml b/windows/deployment/do/waas-delivery-optimization-faq.yml index 867466f2de..7a47abae3e 100644 --- a/windows/deployment/do/waas-delivery-optimization-faq.yml +++ b/windows/deployment/do/waas-delivery-optimization-faq.yml @@ -119,7 +119,8 @@ sections: answer: | Delivery Optimization is an HTTP downloader used by most content providers from Microsoft. When a device is configured to use Delivery Optimization peering (on by default), it does so with the HTTP downloader capabilities to optimize bandwidth usage. If you'd like to disable peer-to-peer capabilities of Delivery Optimization, change the Delivery Optimization [Download mode](waas-delivery-optimization-reference.md#download-mode) setting to '0', which will disable peer-to-peer and provide hash checks. [Download mode](waas-delivery-optimization-reference.md#download-mode) set to '99' should only be used when the device is offline and doesn't have internet access. - + We do not recommend setting Download mode to ‘100’ (Bypass) as some content may fail to download as a result. In addition, Download mode ‘100’ is deprecated starting in Windows 11. + > [!NOTE] > Disabling Delivery Optimization won't prevent content from downloading to your devices. If you're looking to pause updates, you need to set policies for the relevant components such as Windows Update, Windows Store or Edge browser. If you're looking to reduce the load on your network, look into using Delivery Optimization Peer-to-Peer, Microsoft Connected Cache or apply the [network throttling policies](waas-delivery-optimization-reference.md#maximum-download-bandwidth) available for Delivery Optimization. @@ -129,4 +130,4 @@ sections: - question: What Delivery Optimization settings are available? answer: | - There are many different Delivery Optimization [settings](waas-delivery-optimization-reference.md) available. These settings allow you to effectively manage how Delivery Optimization is used within your environment with control s on bandwidth, time of day, etc. \ No newline at end of file + There are many different Delivery Optimization [settings](waas-delivery-optimization-reference.md) available. These settings allow you to effectively manage how Delivery Optimization is used within your environment with control s on bandwidth, time of day, etc. From abc6a3c78cb2916ac595c2b7bb75924ee054483a Mon Sep 17 00:00:00 2001 From: Narkis Engler <41025789+narkissit@users.noreply.github.com> Date: Tue, 27 Jun 2023 19:46:22 -0700 Subject: [PATCH 2/4] clarifying that bypass is not recommended. --- windows/deployment/do/waas-delivery-optimization-reference.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/windows/deployment/do/waas-delivery-optimization-reference.md b/windows/deployment/do/waas-delivery-optimization-reference.md index 4908ba4901..eaad06f1cd 100644 --- a/windows/deployment/do/waas-delivery-optimization-reference.md +++ b/windows/deployment/do/waas-delivery-optimization-reference.md @@ -128,7 +128,7 @@ 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 over HTTP from the download's original source or a Microsoft Connected Cache server, 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 doesn’t 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. We do not recommend setting Download mode to Bypass (100) as some content may fail to download as a result. If you want to disable peer-to-peer functionality, it's best to set DownloadMode to (0). If your device doesn’t have internet access, set Download Mode to (99). When Bypass (100) is set, this option will bypass Delivery Optimization and use BITS, instead. 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. From f56cdf36365453676e486fd09fc0a135137623b0 Mon Sep 17 00:00:00 2001 From: Aaron Czechowski Date: Wed, 28 Jun 2023 14:58:58 -0700 Subject: [PATCH 3/4] editorial revision --- windows/deployment/do/waas-delivery-optimization-faq.yml | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/windows/deployment/do/waas-delivery-optimization-faq.yml b/windows/deployment/do/waas-delivery-optimization-faq.yml index 7a47abae3e..26b9818d57 100644 --- a/windows/deployment/do/waas-delivery-optimization-faq.yml +++ b/windows/deployment/do/waas-delivery-optimization-faq.yml @@ -12,7 +12,7 @@ metadata: - highpri - tier3 ms.topic: faq - ms.date: 04/17/2023 + ms.date: 06/28/2023 title: Delivery Optimization Frequently Asked Questions summary: | **Applies to** @@ -111,7 +111,7 @@ sections: The recommended configuration for Delivery Optimization Peer-to-Peer to work most efficiently along with cloud proxy solutions (for example, Zscaler) is to allow traffic to the Delivery Optimization services to go directly to the internet and not through the cloud proxy. At a minimum, the following FQDN that is used for communication between clients and the Delivery Optimization service should be allowed with direct Internet access and bypass the cloud proxy service: - - *.prod.do.dsp.mp.microsoft.com + - `*.prod.do.dsp.mp.microsoft.com` If allowing direct Internet access isn't an option, try using Group Download Mode '2' to define the peering group. [Learn more](waas-delivery-optimization-reference.md#select-the-source-of-group-ids) about using Group Download mode. @@ -119,7 +119,7 @@ sections: answer: | Delivery Optimization is an HTTP downloader used by most content providers from Microsoft. When a device is configured to use Delivery Optimization peering (on by default), it does so with the HTTP downloader capabilities to optimize bandwidth usage. If you'd like to disable peer-to-peer capabilities of Delivery Optimization, change the Delivery Optimization [Download mode](waas-delivery-optimization-reference.md#download-mode) setting to '0', which will disable peer-to-peer and provide hash checks. [Download mode](waas-delivery-optimization-reference.md#download-mode) set to '99' should only be used when the device is offline and doesn't have internet access. - We do not recommend setting Download mode to ‘100’ (Bypass) as some content may fail to download as a result. In addition, Download mode ‘100’ is deprecated starting in Windows 11. + Don't set **Download mode** to '100' (Bypass), which can cause some content to fail to download. Starting in Windows 11, Download mode '100' is deprecated. > [!NOTE] > Disabling Delivery Optimization won't prevent content from downloading to your devices. If you're looking to pause updates, you need to set policies for the relevant components such as Windows Update, Windows Store or Edge browser. If you're looking to reduce the load on your network, look into using Delivery Optimization Peer-to-Peer, Microsoft Connected Cache or apply the [network throttling policies](waas-delivery-optimization-reference.md#maximum-download-bandwidth) available for Delivery Optimization. From fe66b287f20720a4b8a797ed5461d15848f16682 Mon Sep 17 00:00:00 2001 From: Aaron Czechowski Date: Wed, 28 Jun 2023 15:02:23 -0700 Subject: [PATCH 4/4] editorial revision --- .../deployment/do/waas-delivery-optimization-reference.md | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/windows/deployment/do/waas-delivery-optimization-reference.md b/windows/deployment/do/waas-delivery-optimization-reference.md index eaad06f1cd..c58f42964a 100644 --- a/windows/deployment/do/waas-delivery-optimization-reference.md +++ b/windows/deployment/do/waas-delivery-optimization-reference.md @@ -8,7 +8,7 @@ ms.localizationpriority: medium ms.author: carmenf ms.topic: article ms.technology: itpro-updates -ms.date: 12/31/2017 +ms.date: 06/28/2023 ms.collection: tier3 --- @@ -128,11 +128,8 @@ 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 over HTTP from the download's original source or a Microsoft Connected Cache server, with no peer-to-peer caching. | -| Bypass (100) | This option is deprecated starting in Windows 11. We do not recommend setting Download mode to Bypass (100) as some content may fail to download as a result. If you want to disable peer-to-peer functionality, it's best to set DownloadMode to (0). If your device doesn’t have internet access, set Download Mode to (99). When Bypass (100) is set, this option will bypass Delivery Optimization and use BITS, instead. You don't need to set this option if you're using Configuration Manager. | +| Bypass (100) | Starting in Windows 11, this option is deprecated. Don't set **Download mode** to '100' (Bypass), which can cause some content to fail to download. If you want to disable peer-to-peer functionality, set DownloadMode to (0). If your device doesn't have internet access, set Download Mode to (99). When you set Bypass (100), the download bypasses Delivery Optimization and uses BITS instead. 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. -> > [!NOTE] > When you use Azure Active Directory tenant, AD Site, or AD Domain as the source of group IDs, the association of devices participating in the group should not be relied on for an authentication of identity of those devices.