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Questions tagged [domain-controller]

A domain controller is a server in a Microsoft Active Directory or NT4 domain that is responsible for central authentication.

In Microsoft Active Directory and NT4 domains, a domain controller is the central repository for all of the user account authorization information. It allows a person to sign on once and be allowed access to many different resources.

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Why should the IP address of a Domain Controller map to the site it serves?

I have questions related to this specific event: Index : 865 EntryType : Warning InstanceId : 5802 Message : None of the IP addresses (192.168.254.17) of this Domain Controller map to the configured site…
Anderson Medeiros Gomes
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All DCs fail VerifyEnterpriseReferences and DNS RReg Test - Everything else works including replication to a brand new DC

So, we recently added a new DC to our domain (Win 2008 R2 Enterprise) with the idea to replace our Win 2008 R2 Standard DC with a second Enterprise one - which will give us the 2 DCs on 2008 R2 Enterprise. While adding this DC we also ended up…
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Domain Controller time is 7 minutes fast

I have a Server 2008 R2 domain controller running in VM on Hyper-V that is 7 minutes fast which I need to fix. I understand that this maybe down to the DC running in VM's. What I would like to know is how I can correct it? I believe I can setup…
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Windows 10 Hello on domain-joined computer - Credentials could not be verified

I am on a Lenovo X1 6th Gen laptop with Windows 10 Pro Build 1803 and connecting to my work domain. I have all GPO's correctly configured for Windows Hello. I am able to login to my domain account using password and it prompts me to set up facial…
blizz
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Domain restore from RODC

Can an Active Directory Domain be restored from a RODC (Read-Only Domain Controller) with a copy of the GC (Global Catalog)? Does an offsite DC replicating the AD need to be a full domain controller to provide a sufficient up to date AD Backups for…
Bump
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Remotely Manage Server Core 2016 Hyper-V Hosting Domain Controller

I ran into a little issue this morning and am wondering how I avoid the issue in the future. Fortunately, the issue resolved itself, but this could be a major problem in the future. My domain environment is virtualized on Server 2016 Core Hyper-V…
Mike Capps
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How do I 'disconnect' a backup DC from the primary DC?

I am in the process of changing servers in the system from Server 2012 R2 to Server 2016. For the DC's, I presume the best plan is to: create a `new 2016 DC` replicate from the `current primary 2012 R2 DC` transfer the primary roles to the `new…
Alan
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What special steps do I need to take when replacing domain controllers?

I am upgrading my system from 2012 R2 to 2016 servers. In the process I found that my secondary domain controller does not come online when my PDC shuts down. I ran dcdiag and after trying to fix the errors decided it is probably going to be…
Alan
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Computers lose trust relationship - disappearing from domain controller

This happens very seldom but lately a computer lost the trust relationship with our domain so I wanted to reset the computer credentials. Looking at my main DC (Server 2008 R2) I wasn't able to find that computer anymore. I am pretty sure that…
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kinit: Cannot find KDC for realm

I'm trying config samba4 as domain controller following samba wiki /etc/resolv.conf : domain transbekk.lan nameserver 192.168.1.1 nameserver 192.168.1.254 /etc/hostname : domain.transbekk.lan /etc/samba/smb.conf # Global parameters [global] …
Mezoo
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Backup, Modify and Restore of Active Directory

Is there an easy way to do a backup, modify and restore of an active directory instance? More specifically, I'm looking to do a backup, then change all references of DC=foo,DC=com to DC=foo,DC=dev so that I can setup a development AD. I've been…
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Cannot Join to AD DC via samba

I'm trying to join my CentOS 7,64 bit server to an AD DC and I'm using the following command: # net ads join -U -S Enter password: But after long time, I get Failed to join domain: failed to find DC for…
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There is no Domain Controller in Add/Remove role

Recently i faced a very strange problem with my Active directory (Windows server 2003) and i asked a question here but nobody could help: Domain Controller not working till i make a ipconfig /renew now i found out that when i open my Add/Remove role…
Blacksword
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Is it possible to change the NetBIOS Uppercase and Lowercase letters?

During the domain setup process we accidentally put the NetNIOS as OURCOMPANY. the management requested us to make it as OurCompany instead. is that possible or we need to reinstall everything again!
Yasser
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Is it possible to create a folder inside the group policy objects folders in Active Directory Domain Controller

By default all active directory GPOs are created inside Group Policy Objects folder in the group policy management. I was wondering if there was a way to make sub folders inside of group policy objects to group by IE settings, Outlook settings, ETC.
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