Forum Discussion
Davo_T_20783
Apr 08, 2014Nimbostratus
Looks like you have found limitation for constrained delegation in cross forest trust:
See Microsoft DS team answer in this post:
http://social.technet.microsoft.com/Forums/en-US/f47b10c6-f546-49b4-9bff-4ef534297675/crossforest-kerberos-authentication-delegation-of-client-credentials?forum=winserverDS