Hello
Sorry for the weird title, but thats't what happened. After the weekend an ASP.NET application started experiencing problems with authentication. Users suddenly were asked to supply credentials after a failed authentication. We have Windows auth in place, with the "Negotiate" provider. Everything has been working for more than a year until today.
The funny thing is, when I was trying to figure out the issue at some point I created a new folder with just one single page outputting the AD user id of the connected user, and I pointed the failing web app to that folder, and it just worked, so I switched back to the original folder and the problem was gone...! Now everything is working fine again, and I literally did anything on the failing app to fix if, the issue went away after that test I did.
Any idea about why and how such a problem could come up? And about how happened that the test I did solved it? I'd like to see if I can avoid it...
Thanks
Wasp