While working on D365 finance and operations one fine day i came across the error 500. There are many reasons for this server. Below link can help you if encounter the same issue. https://community.dynamics.com/ax/f/33/t/195422 If any of solutions does not work for you then you might need to check if there are any newly added objects through code and they might be causing the issue. Try to remove them build and synchronize them with the database. https://community.dynamics.com/ax/b/axdilip/archive/2017/01/05/dynamics-365-for-operations-troubleshooting-http-500-httpcompileexception-error To debug more you can use solution provided in below link. https://www.linkedin.com/pulse/ax7-500-error-shashi-kant-yadav In my case the issue was related to the certificate expiration. To check the expired certificate on the server we can go to "Certificate Management Console" and see the certificates expiration date. To check this is power shell open "Windows PowerS...