Which is the command used to remove active directory from a domain controller?

The command is:  DCpromo /UninstallBinaries

1. Press Win Key + R to open Run Dialog box, type the command dcpromo and click OK
2. Next screen ADDS installation wizard, click Next
3. Select the option, Delete the domain because this server is the latest domain controller in the domain, click Next
4. Enter the admin password, click Next and select Reboot on completion

Use the dcpromo /uninstallbinaries command.

dcpromo command used to remove the ADDS from DC

dcpromo /uninstallbinaries

in Windows server 

• DCPROMO       

In windows server 

• Remove AD DS using Windows PowerShell

• Remove AD DS using the Remove Roles Wizard in ServerManager

dcpromo command will remove Active Directory 

dcpromo command is used to remove AD

DCPROMO

https://technet.microsoft.com/en-us/library/cc771844(v=ws.10).aspx

To  remove active Directory from a domain controller, use this command

dcpromo /unistallbinaries