In the Validation Results page, click on the hyperlink demote this domain controller.If you want to use the server for managing AD, keep them checked. If you want to decommission the server entirely, uncheck everything. A pop-up will appear regarding features that require Active Directory Domain Services. In the list of roles, uncheck “Active Directory Domain Services”.In the wizard, select the server you need to demote, click Next.Select Remove Roles and Features and click Next.
This option is preferable when there is still access to the server. To rectify this, right-click on either computer object or the NTDS Settings object and click “Properties”. click on “Object” and uncheck the “Protect object from accidental deletion”.ĭemoting Domain Controller can be done in two ways. If it is not turned off, you will receive the message “Access is denied”. When performing cleanup of metadata, verify “Protect object from accidental deletion” option for computer object and the NTDS Settings object associated with the domain controller is turned off.Performing demotion of AD DS roles using Dism.exe or its PowerShell module equivalent will affect the server normal booting process. Never use the Deployment Image Servicing and Management module or the executable uninstall AD DS role as long as the server is a domain controller.If the local server is Global Catalog server, make sure you hold a copy of the Golbal Catalog, else the logon authentication will fail. In order to perform authentication during logon, you will need Global Catalog.For example, if a server is needed to be a member of a standalone server or if it needs to be migrated to another domain, demotion of Domain Controller is required to be performed first. These can be achieved by simply accessing the Active Directory Installation wizard or sometimes, manual demotion is required. This article explains the step-to-step guide to demote a Domain Controller. Are you a Windows system administrator looking for how to demote Domain Controller in your Active Directory? You have landed on the right place. There are many reasons to demote a Domain Controller.
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