I have a webserver on localhost, which I use for issue tracking, testing, etc... It has an error now (after many years of proper working)

HTTP-hiba: 500.19 - Internal Server Error
A kért laphoz való hozzáférés sikertelen, mert a laphoz tartozó konfigurációs adatok érvénytelenek.
Részletes hibaadatok
Modul   IIS Web Core
Értesítés   Ismeretlen
Kezelő  Még nincs meghatározva
Hibakód 0x80070005
Konfigurációs hiba  A konfigurációs fájl nem olvasható, mert nincs megfelelő engedélye.
Konfigurációs fájl  \\?\D:\creation\software developer\projects\webissues\document root\web.config

sorry for the Hungarian text, I don't have the exact translation

The error is about: no permission to read the web.config file.

I did nothing with the server last week, but I installed some windows update, so I guess one of them did some black magic. How can I solve this once and for all?

I have many different pages, so I would appreciate a solution which don't requires the reconfiguration of these pages one by one.


I added permission to IIS_IUSRS to read and write the folder of every page, but it did not make any difference. :S

1 Answer 1


I added permissions to both IIS_IUSRS and IUSR by properties / security tab / edit / add. If you leave out one of them, it won't work.

The permission change might give you access denied by multiple files, you should remove those, if possible, or move them to a different folder until the modifications are done. If you have many of these alerts, it might stop the process.

You must log in to answer this question.

Not the answer you're looking for? Browse other questions tagged .