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ASP.NET ID cannot log in

I have a web application that is created using the asp.net webforms template. It uses the Asp.net identifier for the login process. To make an identifier, use my database, I changed the default connection string to indicate my own database.

I have not made any remarkable changes to the default template for asp.net webforms application.

I published my website and will add it to IIS sites. Now I can get to my website by writing http: // myip in my browser. However, after some time, my login page starts to work. When I log in with my correct username and password, it should redirect me to the page Iā€™m trying to access, but it behaves as if Iā€™m not logged in and returns to the login page again with the reset form .

This is the same as I reload the login page instead of the login.

When I reset my application through IIS, I can log in as usual. It is working correctly.

What is the problem?

Why does my login page sometimes work and sometimes not? Are these my IIS settings? I have not made any wonderful changes to them. They are almost by default.

My operating system is Windows 8.1 Enterprise N

And I am using Visual Studio 2013 (.NET 4.5)

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It's not very clear if you use Owin + Asp.NET Identity, but (I suppose you are) check out this link, another similar question in SO, which explains this question in great detail and a workaround.

Partial Quote:

System.Web has its own main source of cookie information, and it is not the Set-Cookie header. Owin only knows about the Set-Cookie header. The workaround is to make sure that any cookies set by Owin also

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, , Crystal Report. " [" "] = 0; ' , : ASP.NET_SessionId + OWIN Cookies

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. , . - , ?

UPDATE: , Owin (Tools > NuGet Package Manager Console) "Update-Package Microsoft.Owin" . Packages.config, , jQuery.

From several resources, this led to a Response.Flush or .End problem when Owin tried to check / set the login cookie.

http://katanaproject.codeplex.com/discussions/540202 https://www.nuget.org/packages/Microsoft.Owin/3.0.1

Event ID 1309 ASP.NET 4.0.30319.0 Exception message: The server cannot add a header after sending HTTP headers.

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