Why member can't sign in when migrate membership database from ASP.NET MVC3 to MVC4?

MVC4DP using Universal providers. How about checking configuration or Databases.

Hash algorithm is not related to ASP. NET MVC binaries. It is highly likely that you misconfigured something.

On solution explorer inside VS, click on your project and there should be an icon (with a world and hammer side by side it is scary I know I guess) just top of your solution as follows : Click on it to fire up the configuration manager. See if you can configure your membership data there. If not, it is sure that you misconfigured something.

UPDATE : Please also be sure that you have configured the passwordFormat inside the web. Config correctly. It should be same as your old one.

If your passwordFormat has been set to Encrypted on your old app, then you should use the same machine key which you have used to create passwords before.

I can open the configuration manager, view, and manage users and roles. If I add new user (sign up or create new user), that user can – tugberk Sep 30 at 19:22.

I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.