How to Fix ERROR_DESTINATION_NOT_REACHABLE in Azure

Learn how to resolve ERROR_DESTINATION_NOT_REACHABLE in Azure. Our Server Management Support team is here to help you with your questions and concerns.

How to Fix ERROR_DESTINATION_NOT_REACHABLE in Azure

Having trouble with the `ERROR_DESTINATION_NOT_REACHABLE` error message?

Well, you are in luck! Today, our Experts will explain the causes behind this error and how to resolve them.

This error means the deployment process couldn’t connect to the remote server, so our updates can’t be applied.

The error message generally appears as follows:

[error]Error Code: ERROR_DESTINATION_NOT_REACHABLE
[error]More Information: Could not connect to the remote computer (“”). On the remote computer, make sure that Web Deploy is installed and that the required process (“Web Management Service”) is started.

If deployment failures persist despite troubleshooting, **[Azure Consulting](https://bobcares.com/services/cloud-modernization/cloud-consultation/azure-consulting-services/)** can help you review your Azure configuration, identify connectivity issues, and determine the right corrective steps.

If deployment failures persist despite troubleshooting, Azure Consulting can help you review your Azure configuration, identify connectivity issues, and determine the right corrective steps.

Impacts of the Error

• The main impact is that the deployment fails, halting updates and changes to our application.
• If the error occurs during a scheduled deployment, it may cause unexpected application downtime.
• Developers often spend considerable time diagnosing and resolving the connectivity issues.

Common Causes and Fixes

1. Web Management Service Not Running

The Web Management Service (WMSvc), which is necessary for Web Deploy, may not be running on the server.

Click here for the Solution.

1. First, use Remote Desktop Protocol (RDP) to connect to your server.
2. Then, press `Windows + R`, type `services.msc`, and press `Enter`.
3. Next, find “Web Management Service” in the list.
4. If its status is “Stopped”, right-click and select “Start”.
5. To prevent future issues, right-click WMSvc, go to “Properties”, and set “Startup type” to “Automatic”.

2. Firewall Restrictions

Firewall settings might block incoming connections on port 8172, which is used by Web Deploy.

Click here for the Solution.

1. First, go to Control Panel > System and Security > Windows Defender Firewall.
2. Then, click “Advanced settings” in the sidebar.
3. Now, create an Inbound rule. To do so, click “Inbound Rules” and “New Rule.”
4. Then, select “Port” and click “Next”.
5. Choose “TCP” and specify port 8172.
6. Next, allow the connection and then name the rule.
7. If we are using a corporate firewall, we need to contact IT to confirm outgoing connections on port 8172 are allowed.

3. Incorrect Deployment URL

The deployment URL may be set up incorrectly.

Click here for the Solution.

1. First, check Azure DevOps pipeline or Visual Studio settings.
2. Then, confirm the URL follows this format: `https://.scm.azurewebsites.net/`.
3. Now, open it in a browser. If prompted for credentials, the URL is valid but may need authentication.

4. IP Restrictions on Management Service

IP restrictions may block access to the Web Management Service.

Click here for the Solution.

1. First, log in to the Azure portal.
2. Then, open the App Service instance.
3. Under “Networking”, review any IP restrictions.
4. If the IP isn’t listed, click “Add IP Address” or update the rules to allow the address.

5. Application Configuration Issues

Misconfigurations in Azure App Service settings can also trigger this error.

Click here for the Solution.

1. Go to the App Service in the Azure portal and open “Configuration”.
2. Check application settings and connection strings to ensure they match your app’s requirements.
3. If issues persist, we may have to delete and recreate the app using the correct configurations from Azure documentation.

Prevention Strategies

• Set up monitoring for Azure services to catch potential issues early.
• Ensure all team members understand Azure deployment configurations.
• Trial any configuration changes in a staging environment before production.
• Plan updates during low-traffic maintenance windows to reduce downtime impact.

Ongoing monitoring and infrastructure maintenance can help prevent recurring deployment issues. Our Azure Managed Services can help monitor your Azure environment and address infrastructure problems that affect application availability.

[Need assistance with a different issue? Our team is available 24/7.]

Conclusion

By identifying the root cause and applying the right fix, we can easily resolve the `ERROR_DESTINATION_NOT_REACHABLE` issue and ensure smoother Azure deployments.

In brief, our Support Experts demonstrated how to resolve ERROR_DESTINATION_NOT_REACHABLE in Azure.