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I am an MCSE in Data Management and Analytics, specializing in MS SQL Server, and an MCP in Azure. With over 19+ years of experience in the IT industry, I bring expertise in data management, Azure Cloud, Data Center Migration, Infrastructure Architecture planning, as well as Virtualization and automation. I have a deep passion for driving innovation through infrastructure automation, particularly using Terraform for efficient provisioning. If you're looking for guidance on automating your infrastructure or have questions about Azure, SQL Server, or cloud migration, feel free to reach out. I often write to capture my own experiences and insights for future reference, but I hope that sharing these experiences through my blog will help others on their journey as well. Thank you for reading!

The network connection between your computer and the VPN server could not be established because the remote server is not responding.

   Azure Site to Site VPN in Azure gives below error in your  RRAS Server.






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Routing and Remote Access
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An error occurred during connection of the interface.
The network connection between your computer and the VPN server could not be established because the remote server is not responding. This could be because one of the network devices (e.g, firewalls, NAT, routers, etc) between your computer and the remote server is not configured to allow VPN connections. Please contact your Administrator or your service provider to determine which device may be causing the problem.
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OK 
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Step 1:-Go to azure portal -->Local Network gateway--> select your local Network gateway--> go to configuration --> check the public IP address of the local gateway.
Assume the IPaddress you get here is 122.171.55.200

Step 2:-Now find the public IP address of your router, in order to do so, go to IE or google chrome browser window and type WHOAMI -- you will get your local gateway. -->  assume the IP address is 122.171.58.209

Step 3: match the IP address that is set in Step 1 with the IP address that you get in step 2.
If there is a difference between these IP address, then most probably you will get error in RRAS and RRAS will not work.

Hence in order to resolve this issue

Step 4:- collect the public IP address of the local gateway assume the value is 122.171.58.209
Step 5: set that IP adddress in Azure Portal, in order to do so.
              1. Go to Azure Portal
              2. Local Network gateway
              3. select your local Network gateway
              4. go to configuration
              5. update the new public IP address
              6. Go to your RRAS server and click on Network interfaces
              7. And click on the connect.

You will observe that the connection has been established and you can RDP your Azure Machine from private IP


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