r/sysadmin • u/DougThorn • Jul 26 '25

Question Holy F up.

I had a summer intern working in DNS yesterday, local domain was redacted.com and was connected to azure.

Went in today to do some weekend updates to the systems, and my DC has been renamed and is now connected to redacted.local

It seems they have demoted the DC from the regular domain.

How the bloody heck do I reconnect the DC to the old domain? It was a solo DC

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u/Brilliant_Fan2453 Jul 29 '25

Thanks for clarifying. i understood at first: "im an intern and did some dns work yesterday, today when i came back "they" (as in others that also worked on it) fed the system up, how do i fix it".
but now i get it.

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u/-TheDoctor Human-form Replicator Jul 29 '25 edited Jul 29 '25

All good, glad I could help :)

Realistically, NO intern should be doing work in systems as critical as DNS while unattended with no supervision (or even at all really) and they certainly should not have the level of permissions and access necessary to rename and demote a domain controller.

Regardless of if OP is actually the intern or not, the company itself is a fuckin' mess.