how to demote a windows server 2012 r2 domain controller?
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The Remove Roles and Features dialog box Remove features that require Active Directory Domain Service pops up, select Remove Features. On the Remove Roles and Features Wizard dialog box Validation Results box will appear. The domain controller must be demoted before continuing. Click on Demote this domain controller.
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Click AD DS or All Servers on the navigation pane. Scroll down to the Roles and Features section. Right-click Active Directory Domain Services in the Roles and Features list and click Remove Role or Feature.
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['Promote Server Core to a domain controller. By default, server core starts in command line (cmd). ... ', 'Install needed server feature/role. Before a server can be promoted to a domain controller, the Active Directory Domain Services Role need to be installed. ... ', 'Promote server to a domain controller. ... ', 'Verification.']
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[' Open Settings, and click/tap on the Accounts icon.', ' Click/tap on Access work or school on the left side, click/tap on the connected AD domain (ex: "TEN") you want to remove this PC from, and click/tap on the Disconnect button. ( ... ', ' Click/tap on Yes to confirm. (']
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['Install a new server box with Windows Server. ... ', 'Install this server with the same Windows Server version as your current server or a newer version. ... ', 'Install DNS and promote the new server to a Domain Controller. ... ', 'Make the new Server a Global Catalog and restart it afterwards. (']
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['Log in to an on-premises domain controller using a Domain or Enterprise administrator account.', 'Open Active Directory Domains and Trusts.', 'Right-click the domain and select Properties.', 'On the Trust tab, select New trust.', 'Select Next on the New Trust Wizard.']
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['Open the Active Directory Administrative Center.', 'Choose your domain.', 'Select the Enable Recycle Bin from the Tasks menu (Figure 1). You can also right click your domain name and choose Enable Recycle Bin from the drop down menu (Figure 2).']
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With the dcpromo /forceremoval command, you can demote the domain controller to the member server. If one of the FSMO roles is found on the domain controller, you will be asked to transfer it to another DC first. If this server is a Global catalog, a warning will also appeared.
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You can use the ntdsutil commands to perform database maintenance of AD DS, manage and control single master operations, and remove metadata left behind by domain controllers that were removed from the network without being properly uninstalled. This tool is intended for use by experienced administrators.
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Open the Active Directory Sites and Services console, expand the Sites object till you find the DC you want to delete. Here, right-click the NTDS Settings icon on the DC, and then click Delete. Confirm the deletion by pressing Yes. Confirm again while accepting the warnings by clicking the Delete button.
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['Run Server Manager.', 'If you have not already done so, install the Active Directory Domain Services (AD DS) role. ... ', 'Scroll down to Advanced Tools -> AD DS Tools. ... ', 'Select Existing forest -> Add a domain controller to an existing domain.']
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['Log in as an administrator to the Windows 2000 or 2003 server host.', 'From the Start menu, go to Administrative Tools > Manage Your Server. ... ', 'Install the Active Directory Domain Controller. ... ', 'Install Windows Support Tools. ... ', 'Create a new user account. ... ', 'Create a user account to map to the Kerberos service.']
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['Log on to the server you want to promote to a domain controller.', 'Click Start, Run, type in dcpromo, and click OK.', 'The dcpromo process begins by determining whether the AD DS binaries are installed.']
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['Restart the domain controller.', 'When the BIOS information appears, press F8.', 'Select Directory Services Restore Mode, and then press ENTER.', 'Log on by using the Directory Services Restore Mode password. ... ', 'Click Start, select Run, type cmd in the Open box, and then click OK.']
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['In the Remove Roles and Features wizard, click Server Selection on the left, and then click Server Roles below it.', 'In the list of roles on the right, deselect Active Directory Domain Services.']
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Type quit, and press Enter until you return to the command prompt to remove the failed server object from the sites. In Active Directory Users and Computers, expand the domain controllers container. Delete the computer object associated with the failed domain controller.
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['Step 1: Login as Local Admin. To start the configuration, log in to Windows server 2019 server as the local administrator.', 'Step 2: IP Config. ... ', 'Step 3: Static IP. ... ', 'Step 4: Find InterfaceIndex. ... ', 'Step 5 : DNS. ... ', 'Step 6: Install AD-DS Role. ... ', 'Step 7:AD-DS Configuration. ... ', 'Step 8 : Prompt for the Safe Mode Admin Pass.']