ASP.NET_SessionId + OWIN Cookies do not send to browser
I have encountered the same problem and traced the cause to OWIN ASP.NET hosting implementation. I would say it’s a bug. Some background My findings are based on these assembly versions: Microsoft.Owin, Version=2.0.2.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35 Microsoft.Owin.Host.SystemWeb, Version=2.0.2.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35 System.Web, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a OWIN uses it’s own abstraction to work with response Cookies (Microsoft.Owin.ResponseCookieCollection). This … Read more