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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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Migrating Domain Controller from Windows 2003 SBS

I'm trying to migrate DC from Windows Server 2003 SBS to Windows Server 2016. Problems begin when I try to promote Server 2016 to domain controller. I get the following error message on 'Prerequisites Check' step: Verification of outbound…
knight_lightning
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DC doesn't answer DNS queries from its address. It does answer from loopback

Both of our domain controllers stopped responding to DNS requests. After quite a lot of troubleshooting, we found that it resolves DNS requests to its loopback address, but not to its own address. When we start nslookup and server 127.0.0.1, it…
Michael Cornn
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DC Promo issue in Azure - Unable to ping

I am new to Azure. Trying to setup DC in Azure. Created a vm and when, I try to perform dc promo I get the error An Active Directory domain controller could not be contacted. I tried to ping from Azure to on premise 192.168.x.x - Ping failed. I…
Ram Lan
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How to find out UID of Active Directory user?

I just want to verify that the output of: id ad_user is correct. On my rhel client I get uid=1234. How can I verify that on the Windows Domain controller?
bluesquare
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nslookup for public domains to Active Directory domain controller DNS server times-out *and* still succeeds

The problem: Lately I've noticed Chrome on my desktop stalling when it loads a new website, saying it's resolving the domain-name. Eventually it resolved, but it feels like DNS requests take up to 5 seconds to succeed, which isn't right. The…
Dai
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Using Windows PCs which are normally connected to a Server without Server for months, is that problematic?

I administer a small network with a Windows Server (2012) and about ten Windows 10 PCs. Normally they are all in an office and are connected via LAN. Since a few months almost all our staff works at home. They took their desktop PCs home and they…
Edgar
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Are Their Possible Implications Joining Servers to Active Directory at a Later Point in Time?

We are currently migrating our servers to Azure. As of now, we have succesfully migrated our web server (IIS) and our database server (SQL Server). Next year our company will extend the domain controller into the cloud with syncing between…
Tom el Safadi
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Does unlocking an account that isn't currently locked from within ADUC reset the number of previously-entered incorrect passwords?

Assume the following within an environment that has an account lockout threshold set to 3 - meaning that if 3 incorrect passwords are entered, a user account becomes locked: User A types 2 incorrect passwords at the Windows logon screen - entering…
elliott94
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how to add domain controller from remote machine in AD

In my home i have server 2008 with AD installed. I have several VM installed using vmware 1stVM = AD DC 2nd VM = RODC Now in my office i also have many virtual machines. How can i add one VM in office as Domain controller to my Home computer All VM…
John
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Join computer to a Domain hosted on a Domain Controller in Azure

I've been searching for a way to have 2 Domain Controller VM's in Azure (No DC on premise and not Azure AD). What I did was, I created 2 VM's in Azure with a private subnet. I made them Domain Controllers with the DNS name: ad.company.com. I own…
user2827958
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Windows Server 2003 SP3: "the specified network name is no longer available"

I have a network, where the Active Directory Domain Controllers run Windows Server 2019. We have an old SharePoint server running Windows Server 2003 SP2 running as a virtual machine on an old Microsoft Windows Server 2012 R2 Hyper-V server. We…
Sarah Weinberger
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Primary DC Died, Now Secondary not taking any responsibility

Can anyone please help me out. Our primary Server 2008 (i know) DC died from i believe bad hard drive. Secondary 2012 R2 DC will not take on responsibility until it "syncs" so other than SEIZE the role of FSMO do i have any other options to allow…
Ike12
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One AD Account logging into 50+ machines simultaneously

I have an AD Domain set up specifically for running computer-based exams at multiple locations. One site sits 50-100 exams and needs to start them at the exact same time and they all login to the machines with the same AD account. Running on 2008…
user580834
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Adding a second physical site - 1 or 2 domains?

I'm using Windows Server Essentials 2019 to manage the domain for a small business. It's running our DNS, DHCP and AD DS and has a fairly restrictive group policy in place, with an MS SQL server running on a second machine. I'm adding a second…
AJ.
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Windows domain joined Linux server tries to authenticate to multiple AD controllers

i have set up a Debian Server and let i join our domain. Our company has multiple domain controllers around europe. I have installed Winbind, Samba, Kerberos5, PAM and Open SSL on this machine. After the domain join i noticed that this machine tires…
phL
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