Keeping Session variables when redirecting to another ASP.NET application

From: Nash (cizmicnenad?NOSPAM?@hotmail.com)
Date: 02/17/03 

From: "Nash" <cizmicnenad?NOSPAM?@hotmail.com>
Date: Mon, 17 Feb 2003 15:33:11 +0100

    I'd like to make one login for multiple applications, but the problem is
I can't keep my Session variables (some user info and stuff). Is there a way
to do this? Am I not setting something right?