What’s the best practice for horizontally scaling a legacy ASP.NET web application that relies on Active Directory and is currently deployed to a single Windows EC2 instance?

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What’s the best practice for horizontally scaling a legacy ASP.NET web application that relies on Active Directory and is currently deployed to a single Windows EC2 instance?

Options

  • Launch a new EC2 with the latest version of Windows Server and install the application again. Use Application Load Balancer and sticky sessions to balance between both servers.
  • Horizontal scaling is not the best practice in this situation. Increase the size of the existing EC2 instance and vertically scale the application.
  • Use Sysprep to shut down the instance during a maintenance window. Create an AMI image and place both servers behind Application Load Balancer with sticky sessions.
  • Create a clone of the server using an AMI image and user Application Load Balancer to balance the traffic between both instances using sticky sessions.

The Correct Answer Is:

  • Use Sysprep to shut down the instance during a maintenance window. Create an AMI image and place both servers behind Application Load Balancer with sticky sessions.

Conclusion

I believe I was successful in answering your query “What’s the best practice for horizontally scaling a legacy ASP.NET web application that relies on Active Directory and is currently deployed to a single Windows EC2 instance?”. I hope you easily pass the certification exam and get the certificate as soon as possible. Have a great time! Good luck!