HTTP Error 503

net stop WAS /y

rmdir /s /q C:\inetpub\temp\appPools

net start W3SVC

 

출처:https://hsmtree.wordpress.com/2018/02/01/iis%EA%B0%80-%EB%A9%88%EC%B6%94%EB%8A%94-%EB%82%A0/