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corrections from Narkis on re-added troubleshooting steps

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jaimeo 2019-05-16 07:55:48 -07:00
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windows/deployment/update/waas-delivery-optimization.md
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@ -125,22 +125,27 @@ If you don’t see any bytes coming from peers the cause might be one of the fol
### Clients aren't able to reach the Delivery Optimization cloud services.
To fix this issue, try the following steps:
If you suspect this is the problem, try these 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 Powershell window and observe the DownloadMode setting. For peering to work, DownloadMode should be 1, 2, or 3.
3. If **DownloadMode** is 99 it could indicate your device is unable to reach the Delivery Optimization cloud services. Ensure that the Delivery Optimization hostnames are allowed access: most importantly ***.do.dsp.mp.microsoft.com**.
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).
1. Download the same app on two different devices on the same network, waiting 10 – 15 minutes between downloads.
2. Run `Get-DeliveryOptimizationStatus` from an elevated Powershell window and ensure that **DownloadMode** is 1 or 2 on both devices.
3. Run `Get-DeliveryOptimizationPerfSnap` from an elevated Powershell window on the second device. The **NumberOfPeers** field should be non-zero.
4. If the number of peers is zero and you have **DownloadMode** = 1, ensure that both devices are using the same public IP address to reach the internet. To do this, open a browser Windows and search for “what is my IP”. You can **DownloadMode 2** (Group) and a custom GroupID (Guid) to fix this if the devices aren’t reporting the same public IP address.
### 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:
If you suspect this is the problem, try 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.
@ -148,6 +153,7 @@ If you suspect this is the problem, un a Telnet test between two devices on the
## Learn more
[Windows 10, Delivery Optimization, and WSUS](https://blogs.technet.microsoft.com/mniehaus/2016/08/16/windows-10-delivery-optimization-and-wsus-take-2/)