I am using Identity 2.1 in my MVC5 app. I am setting the isPersistent property of the PasswordSignInAsync to true to enable \'Remember Me\':
var result = await S
I think you should read this article . There are two different intervals: ValidateInterval and ExpireTimeSpan. And in your case i think you should change the expireTimeSpan, not the ValidateInterval.
ValidateInterval
ExpireTimeSpan
expireTimeSpan