Active Directory got some major major major updates in Server 2025. https://learn.microsoft.com/en-us/windows-server/get-started/whats-new-windows-server-2025#

Active Directory got some major major major updates in Server 2025. https://learn.microsoft.com/en-us/windows-server/get-started/whats-new-windows-server-2025#active-directory-domain-services https://learn.microsoft.com/en-us/windows-server/get-started... Including the relevant: > Kerberos changes for Algorithms used for Ticket Granting Tickets: The Kerberos Distribution Center will no longer issue Ticket Granting Tickets using RC4 encryption, such as RC4-HMAC(NT).