The data field contains the error code.Īpplication pool ‘DefaultAppPool’ is being automatically disabled due to a series of failures in the process(es) serving that application pool. The worker process for application pool ‘DefaultAppPool’ encountered an error ‘Cannot read configuration file’ trying to read configuration data from file ‘\\?\’, line number ‘0’. Looking at the event log, I saw swarms of the following errors: Error 2307 – IIS-W3SVC-WP IIS seemed up and running, but something occurred and put the site offline. Suddenly this Monday, the PC hosting the bug tracker site jumped from Win10 1611 to 1709.Īt the end of the upgrade process, the site was not available anymore.