Hi All,
We have a web application built on ASP.NET and recently recompiled with FW 4.6 which is hosted in IIS8.5 (with classic mode in Application pool - no specific requirement just continuing old settings in new server). After upgrade, the application is not responding intermittently, throws "page can not be displayed" message. This occurs likely in a regular interval let say every hour. the app pool configuration to enable automatic recycling is configured with default hours not 60 mins/ 1 hour. I believe there is no other settings related to app pool recycling or restart server automatically.
If that's the case what should be a possible cause here? IIS log does not have entries during failures and there is no log captured in eventvwr of app server as well.
I am primarily looking for the troubleshooting options for such kind of issues, It would be very helpful if some one can guide on this with the possible ways (tools, configuration in iis/web.config etc) with steps.
In addition, Is the issue should be due to App server availability or network fluctuation? considering outside the application as well. if that is the case, what should be the possible options to trouble shoot the Window server failures in terms differentiate from application specific issues?
Thanks in advance.