From 8cc88cafe9d874a0d5f01c91fee58752306a2f27 Mon Sep 17 00:00:00 2001 From: jaimeo Date: Tue, 14 May 2019 16:02:51 -0700 Subject: [PATCH] restoring missing troubleshooting section --- .../update/waas-delivery-optimization.md | 40 +++++++++++++++++-- 1 file changed, 36 insertions(+), 4 deletions(-) diff --git a/windows/deployment/update/waas-delivery-optimization.md b/windows/deployment/update/waas-delivery-optimization.md index 178f964ce4..6687410667 100644 --- a/windows/deployment/update/waas-delivery-optimization.md +++ b/windows/deployment/update/waas-delivery-optimization.md @@ -5,9 +5,9 @@ keywords: oms, operations management suite, wdav, updates, downloads, log analyt ms.prod: w10 ms.mktglfcycl: deploy ms.sitesec: library -author: greg-lindsay +author: jaimeo ms.localizationpriority: medium -ms.author: greglin +ms.author: jaimeo ms.collection: M365-modern-desktop ms.topic: article --- @@ -110,8 +110,40 @@ For the payloads (optional): **Does Delivery Optimization use multicast?**: No. It relies on the cloud service for peer discovery, resulting in a list of peers and their IP addresses. Client devices then connect to their peers to obtain download files over TCP/IP. -[//]: # (**What data does Delivery Optimization send to the service?**) -[//]: # (??????????????? I'm not sure we can avoid sharing this, per GDPR guidelines) +## Troubleshooting + +This section summarizes common problems and some solutions to try. + +### If you don't see any bytes from peers + +If you don’t see any bytes coming from peers the cause might be one of the following issues: + +- Clients aren’t able to reach the Delivery Optimization cloud services. +- The cloud service doesn’t see other peers on the network. +- Clients aren’t able to connect to peers that are offered back from the cloud service. + + +### Clients aren't able to reach the Delivery Optimization cloud services. + +To fix this issue, try the following steps: + +1. Start a download of an app that is larger than 50 MB from the Store (for example Candy Crush Saga). +2. Run `Get-DeliveryOptimizationStatus` from an elevated window and share the output (by setting the `DownloadMode` field to **1**). + + +### The cloud service doesn't see other peers on the network. + +If you suspect this is the problem, try these steps: + +1. Download the same app on another device on the same network. +2. Run `Get-DeliveryOptimizationPerfSnap` from an elevated window (the `NumberOfPeers` field should be non-zero). + +### Clients aren't able to connect to peers offered by the cloud service + +If you suspect this is the problem, un a Telnet test between two devices on the network to ensure they can connect using port 7680. To do this, follow these steps: + +1. Install Telnet by running **dism /online /Enable-Feature /FeatureName:TelnetClient** from an elevated command prompt. +2. Run the test. For example, if you are on device with IP 192.168.8.12 and you are trying to test the connection to 192.168.9.17 run **telnet 192.168.9.17 7680** (the syntax is *telnet [destination IP] [port]*. You will either see a connection error or a blinking cursor like this /_. The blinking cursor means success.