Pass user credential from Windows XP / Vista and Single Sign On to my Java application

[Colt Kwong]

To: comp.lang.java.security
Hi all,

I want to know how can I create a single sign on solution for Java
applications in a cooperation

Requirement:
1. Microsoft Active Directory is used as the sole directory service
2. User can only be logged once when they login to their desktop
machine (e.g. XP or Vista)
3. Users can be single sign on automatically to any Java applications
afterward

I searched that a commercial Vintela can do this, but I'm appreciated
if any of you can share me any link or information about how to do it
by myself. (I can think of the use of Kerborse but don't know where to
start)

TIA!

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[vahid]