An Active Directory Domain with a unique Primary Domain Controller (PDC) is something that you should not rely on. Domain controller installation successfully completed Promoting the server to domain controller. The path page give you the options to specify location of the sources to be restored. [2016/12/01:14:44:06.918] LDAP API ldap_search_s() finished, return code is 0x0 [2016/12/01:14:44:06.918] Adprep successfully retrieved information from the Active Directory Domain Services. After the Active Directory Domain is created successfully, you need to configure the service on the server. You are about to upgrade the schema for the Active Directory forest named ‘domain.local’, using the Active Directory domain controller (schema master) ‘DC1.domain.local’. This will start the active directory configuration wizard. [2016/12/01:14:44:09.104] LDAP API ldap_search_s() finished, return code is 0x0 [2016/12/01:14:44:09.104] Adprep was about to call the following LDAP API. In the following scenario, we assume that the Domain Controller is online, functional and communicates with at least one other DC of the infrastructure. There are multiple ways of promoting a Domain Controller. This operation cannot be reversed after it completes. On the Active Directory Domain Services and DNS Server pages, review and Next. The base entry to start the search is (null). Otherwise, type any other key and press ENTER to quit. Check the log file, ADPrep.log, in the C:\Windows\debug\adprep\logs\20161201144406 directory for more information. Indeed, clicking on the warning signal will indicate that it is necessary to promote this server to a domain controller. Please find detailed description in the description area. Commentdocument.getElementById("comment").setAttribute( "id", "a4b25ef251d2a2276ea540552866e25e" );document.getElementById("ca7399db69").setAttribute( "id", "comment" ); Copyright © 2020 NetworkProGuide. On the Confirmation screen choose whether or not to reboot the server when the Roles and Features are installed and click Next to proceed with the install. Type Start PowerShell and press Enter within the Command Prompt window to open a new Windows PowerShell console window. I’m going to assume you’ve already named the server and set the IP, Gateway, and DNS addresses since those are trival with a desktop gui to work with. The base entry to start the search is CN=Schema,CN=Configuration,DC=domain,DC=local. Fortunately, standing up a backup domain controller or two isn’t a complex task. The remaining steps will illustrate the process to add an additional Windows Server 2012 R2 domain controller to an existing domain. You need to specify the name of the domain in which the new DC will be added. [2016/12/01:14:44:09.200] LDAP API ldap_search_s() finished, return code is 0x0 [2016/12/01:14:44:09.200] Adprep was about to call the following LDAP API. I am setting up a new Windows Server 2019 network … [2016/12/01:14:44:09.204] LDAP API ldap_search_s finished, return code is 0x0 [2016/12/01:14:44:09.204] Adprep was about to call the following LDAP API. Needs Answer Windows Server. Lets see how to do it.To list FSMO Roles -[powershell]netdom query fsmo[/powershell]If they Hold It , you can move them easily using PowerShell. As mentioned before, using Server Core means less resources used and a smaller attack surface on your server. The next page is Review options. I opted to leave the options out of the PowerShell example since most people wont need to mess with them. Open up Server Manager and click on the yellow notification and select promote this server to a domain controller. The base entry to start the search is CN=Schema,CN=Configuration,DC=domain,DC=local. Click on the flag, then click on Promote this server to a domain controller hyperlink. Specify the forest and domain functional levels (2008, 2008R2, 2012, 2o12R2, 2016). Add a new forest and specify the domain name. I have rebooted server one time, logged back in, and now I’m ready to promote the server to a domain controller: Choose Add a domain controller to an existing domain. On the Domain Controller Options, since this will be my new Infrastructure and all my existing server also running Server 2016, I just leave the Forest & Domain functional level as Windows Server 2016. Promote this server to a Domain Controller using Powershell and an answer file Using Windows PowerShell to create a Menu PowerShell and answer file to Promote this server to a domain controller. ldap_search_s(). After your first Domain Controller is already in use, it’s time to add another Windows Server 2016 DC to your Active Directory environment.Either for redundancy, load balancing or just because another DC feels the right way to go. ldap_search_s(). These are integr… Check the Ldif.err log file in the C:\Windows\debug\adprep\logs\20161201144406 directory for detailed information. 5. [2016/12/01:14:44:06.808] Adprep discovered the schema FSMO: DC1.domain.local. Click on Next. If not, recheck the steps you did just before and be sure you have done all correctly. PowerShell can be a real time saver. The "Domain controller options" page appears next. 4. The base entry to start the search is (null). Select "Promote this server to a domain controller". Select Server Selection -> Select a Server from the server pool -> Your server -> Next, At the Server Roles screen choose Active Directory Domain Services -> Next. The base entry to start the search is (null). On the Confirmation page, review the sections and then check the restart automatically and click Install to start the installation process. Let it restart and you’ll be ready to start playing with your new DC. Now all this happens in the background while the wizard is doing the heavy lifting for you. Click on Install button. Once your server is no longer a domain controller, you can rename it like any other Windows server. To do that, we set up the Active Directory Domain Services. DC Promotion / Domain Controller Promotion ***** This script can be used to to promote a windows server to an additional domain controller. [2016/12/01:14:44:06.919] LDAP API ldap_search_s finished, return code is 0x0 [2016/12/01:14:44:06.919] Adprep was about to call the following LDAP API. Promote 2016 Server to Domain Controller using Server Manager. 2. [2016/12/01:14:44:07.029] Adprep connected to the schema FSMO: DC1.domain.local. First it will perform some pre checks and get the server configurations. Your system will be checked to have updated anti-virus and etc. Please add a new forest.Then enter the domain name. 1. by CommodoreP1979. This error may pop up if you’re not using a parent zone and is a non-issue if you don’t need name resolution from outside the domain. For the purposes of this article I will be using Microsoft Windows Server 2016 Technical Preview 5, but there is no reason this should not work on previous versions of Server.If you run into problems, let me know in the comments below. How to Promote Domain Controller with Windows PowerShell- Server 2012 R2. 7. Select Installation Type -> Role-based or feature-based installation -> Next. Please find detailed description in the description area. Log into the server and type the following command in the cmd window to open a new PowerShell window: Figure out what your ethernet adapter is named by running: Use the name of the ethernet adapter (in this example it’s Ethernet) in the following command, along with the appropriate ip addresses: Make sure the DNS is set correctly. 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