How to Fix Login failed for user ‘IIS APPPOOL\ASP.NET v4.0’ error in IIS7 Posted on 14 Ocak 2012 By webadmin Yorum yok How to Fix Login failed for user ‘IIS APPPOOL\ASP.NET v4.0’ error in IIS7 Spread the loveKaynak : http://weblogs.asp.net/coltk/archive/2003/07/10/9920.aspx