Back in March 2018, I embarked on an arguably pointless crusade to prove that the TrustedToAuthForDelegation attribute was meaningless, and that “protocol transition” can be achieved without it. I believed that security wise, once constrained delegation was enabled (msDS-AllowedToDelegateTo was not null), it did not matter whether it was configured to use “Kerberos only” or “any authentication protocol”. I started the journey with Benjamin Delpy’s (@gentilkiwi) help modifying Ke...
