Troubleshoot IIS - Service Not Available 503 Issue

https://www.google.com/webhp?sourceid=chrome-instant&ion=1&espv=2&ie=UTF-8#safe=active&q=mvc+site+iis+stopped

http://www.codeproject.com/Questions/674073/Csharp-Code-to-Start-and-stop-perticular-applicati

https://social.msdn.microsoft.com/Forums/vstudio/en-US/b1cdd1be-1a02-497d-946f-b0f211c21980/restart-iis-application-pool-using-c?forum=csharpgeneral

http://stackoverflow.com/questions/14359983/asp-net-mvc-site-has-stopped-working-in-iis7

http://stackoverflow.com/questions/18016353/why-does-the-application-pool-automatically-stop

http://weblogs.asp.net/scottgu/auto-start-asp-net-applications-vs-2010-and-net-4-0-series

https://www.google.com/webhp?sourceid=chrome-instant&ion=1&espv=2&ie=UTF-8#q=how+to+crash+asp.net+mvc+app&safe=active&start=30

http://stackoverflow.com/questions/23615050/random-crashes-in-asp-net-mvc-how-to-debug

http://forums.asp.net/t/2065560.aspx?Thread+Abort+in+ASP+NET+app+causes+w3wp+exe+to+crash

http://w3stack.org/question/why-c-wrapper-of-c-crash-crashes-web-app-but-runs-fine-as-console-app/

https://blogs.msdn.microsoft.com/asiatech/2009/12/23/net-application-may-crash-when-calling-function-from-native-c-dll/

https://msdn.microsoft.com/en-us/library/system.appdomain.unhandledexception(v=VS.90).aspx

https://raygun.io/net/dotnet-crash-handling?&utm_campaign=Adwords&utm_medium=Net&utm_source=Google_PPC&utm_content=csharp-crash-handling&utm_term=%2Bc%23%20%2Bcrash&gclid=Cj0KEQiAsP-2BRCFl4Lb2NTJttEBEiQAmj2tbVZ-EO4EfnYMft7c3WwsgZuxkhRkXCMf8T7_2m2BwZcaAhu_8P8HAQ

http://stackoverflow.com/questions/2481047/executing-code-on-application-crash

https://blog.kowalczyk.info/article/c4qb/How-to-make-software-crash-less.html

https://www.google.com/webhp?sourceid=chrome-instant&ion=1&espv=2&ie=UTF-8#q=iis%20application%20pool%20stopped

http://www.codeproject.com/Questions/283255/Application-Pool-Stops-automatically

http://stackoverflow.com/questions/18016353/why-does-the-application-pool-automatically-stop

https://forums.iis.net/t/1191046.aspx