Hello, thanks for considering me for this project. I am hardikbhai, a team of 30 full-stack developers here on Freelancer. We've worked on a variety of projects, from frontend to backend to middleware, building applications and solutions that have allowed our clients to put out the best possible web products possible.
I understand that you are looking for someone to fix the causes of the HTTP Error 503. The service is unavailable. issue on your Windows Server 2012 r2 server. You aren't sure about the cause of the problem, but you think it is intermittent? I can confirm that we have strong knowledge of web servers, especially Windows Server 2012 r2, as well as expertise in troubleshooting and resolving HTTP Error 503 errors. This would be a great opportunity for us to show off our skillset and help you solve your problem!