Azure Virtual Desktop
A Microsoft desktop and app virtualization service that runs on Azure. Previously known as Windows Virtual Desktop.
1,836 questions
Intermittent Remote Desktop connection errors while using the Azure Remote Desktop Client
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Alan O'Riordan
16
Reputation points
When we use the Microsoft Remote Desktop Client to connect to an AVD host. More often than not we will receive this error message:
Remote Desktop
Remote Desktop can't connect to the remote computer for one of these reasons:
- Remote access to the server is not enabled
- The remote computer is turned off
- The remote computer is not available on the network Make sure the remote computer is turned on and connected to the network, and that remote access is enabled. [^] Hide details [OK]
For more tips on how to resolve the issue, refer to the Troubleshooting Guide
Error code: 0x204
Extended error code: 0x0
Timestamp (UTC): 2024-01-23T17:26:50.563Z
Activity ID:
Sometimes it can take 8-10 attempts before we are presented with the login box to connect which it will do but something is not right?
A similar issue can occur using the web client We know it's related to the Primary WAN connection because it doesn't happen on the secondary WAN or when staff are using it from Home.
We've updated Firewall firmware, rebooted all connectivity kit, uninstalled and re-installed the app.
I've checked the MTU size and checked with the comms provider and they don't see any drop packets or line issues?
I've tried to capture the RDP log and convert it to CSV but I didn't see anything that stood out.
Not sure where to go from here?
Azure Virtual Desktop
Windows for business | Windows Client for IT Pros | User experience | Remote desktop services and terminal services
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kobulloc-MSFT 26,801 Reputation points Microsoft Employee Moderator2024-01-30T22:10:02.8466667+00:00 Hello, @Alan O'Riordan !
Apologies for the delayed response! Are you still running into this? This is my understanding of what you are experiencing:
- Azure Virtual Desktop is presenting a
Remote Desktop can't connect to the remote computer for one of these reasonserror. - You are ultimately able to connect to the VM via RDP without any changes but it takes 8-10 attempts.
- This happens with the Microsoft Remote Desktop Client and a similar error occurs with the web client.
- This is related to the Primary WAN connection because it doesn't happen on the secondary WAN or with use from home.
- Troubleshooting: updated Firewall firmware, rebooted all connectivity kit, uninstalled and re-installed the app.
- Nothing stands out in logs.
- Azure Virtual Desktop is presenting a
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kobulloc-MSFT 26,801 Reputation points Microsoft Employee Moderator
2024-02-01T01:34:43.87+00:00 Hello, @Alan O'Riordan ! I reached out to the Azure Virtual Desktop team and there's nothing from an Azure standpoint that fits the description you've provided. If this is working as expected on the secondary WAN and home connections, it seems like the primary WAN would be responsible. If you would like, we could follow up and have someone take a closer look at your resources.
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Alan O'Riordan 16 Reputation points
2024-02-01T08:37:50.3066667+00:00 Hi kobulloc
You are correct in your understanding and yes we are still having the problem. I engaged our Firewall provider to run a trace as well but without knowing the definitive next hop or destination IP addresses it wasn't conclusive.
I would greatly appreiciate the offer for someone to take a look and help find a resolution.
We have a test window of 13:00 GMT today were we were planning to temporarily drop the Azure VPN to site and then retry,
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kobulloc-MSFT 26,801 Reputation points Microsoft Employee Moderator
2024-02-01T16:55:29.3466667+00:00 Hello, @Alan O'Riordan ! From the AVD side of things the recommendation is to revisit the Firewall/Proxy and any other intermediary device in the connection path, especially if the primary WAN connection that is running into the issue uses a different firewall or connection path. To have someone look at the resources more closely, please email the following to AzCommunity@microsoft.com and we'll get back to you promptly:
- Subject: "Attn: kobulloc - AVD primary WAN connection unreliable"
- Email body: Your Subscription ID
- Email body: A link to this thread so we can validate and expedite the request
If you don't receive a response within 24 hours, please reply to the thread so we can investigate.
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