Removing 2016 DC controller from AD infra

Question

Hello, i have 3 DC on my AD domain, (dc01 , dc02& dc03) i decided to remove dc03, i follow the instructions of demoting after seccefull removin roles AD and dns removing UPN suffix from old dc i go from my computer to AD users and computers console and select the old dc, removing it from Global catalog and trying to delete it, confirm and then an error message appears : windows cannot delete object LDAP://DC01.mydomain.com/CN=DC03,OU=DomainControllers,DC=mydomain,dc=com because the specified module could not be found. dose any one have idea about it.
PS my old dc dc03 has no fsmo role indise it .

Answer 1

The simplest solution may be to remove the problematic one from network, then seize roles (if necessary)
https://learn.microsoft.com/en-us/troubleshoot/windows-server/identity/transfer-or-seize-fsmo-roles-in-ad-ds

then perform cleanup
https://learn.microsoft.com/en-us/windows-server/identity/ad-ds/deploy/ad-ds-metadata-cleanup
https://techcommunity.microsoft.com/t5/itops-talk-blog/step-by-step-manually-removing-a-domain-controller-server/ba-p/280564

then if desired you can rebuild problematic one.

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Answer 2

Thnaks DSPatrick in fact i must run the rmove from the active domain controller itself not from my laptop using ad computers and users consol.