Hello Steven Blackery,
Thank you for posting in Q&A forum.
The best practice for disabling delegation on Domain Controller computer accounts is to prevent attacks that leverage delegation to use the account's credentials on other systems. This is done by marking the account as sensitive and cannot be delegated
For more information, please refer to link below:
Appendix D - Securing Built-In Administrator Accounts in Active Directory | Microsoft Learn
I hope the information above is helpful.
If you have any questions or concerns, please feel free to let us know.
Best Regards,
Daisy Zhou
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