If you need a two-way trust relationship, you have to manually configure each half of the trust separately. You are asked whether you want to remove the trust from the local domain only or from the local domain and the other domain (see Figure 3.22). If you want to remove the trust from both domains, select Yes, Remove the Trust from Both Remove the Computer Account in Active Directory To delete the computer account, use the option --deleteAccount and include the user name as part of the leave command. You will be prompted for the password of the user account: /opt/pbis/bin/domainjoin-cli leave --deleteAccount userName Uninstall the Agent on a Linux or Unix Computer At the ntdsutil: prompt, type the following command, and then press Enter: metadata cleanup. At the metadata cleanup: prompt, type the following command, and then press Enter: remove selected server . In Server Remove Configuration Dialog, review the information and warning, and then click Yes to remove the server object and metadata. I was asked to remove a child domain at work today. Usually that wouldn't be a problem but unfortunately the final DC had been wiped and not been dcpromo'd (Cleanly removed from the domain). So I thought I'd document the process should anyone else find themselves in a similar situation. To do most of the below, you'll need to be an CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=domain,DC=local But are there any others? You should only use ADSI edit as the last resort to remove stuff Ntdsutil didn't remove. otherwise you can prevent Ntdsutil from working on the object but still have remaining bits of information. Right click on the removed Domain Controller and select delete. 19. If you open up Active Directory Users and Computers you can see that VMDC2 has been removed from the Domain Controllers OU. 20. Open up DNS Manager, right click on your forward lookup zone and select properties, select Name Servers tab and remove the non existent domain controller. Go to Active Directory Sites and Services -> Site name -> Servers and remove the crashed domain server. Open DNS Manager and remove DNS records as shown in below two screen shots. Let's run netdom query again to list out all domain controllers in the domain. Reader Interactions. Use the EAC to remove a federation trust. On an Exchange 2013 server in your on-premises organization, navigate to organization > sharing. In the Federation Trust section, click Remove. In the warning, click yes to confirm that you want to remove the federation trust. After the federation trust is removed, click Close.