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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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AD Domain Controller for the domain could not be contacted

So I have been trying to bind my desktop (Windows 10) to my virtual server (Server 2016 Datacenter hosted in ESXi 6.0) that is currently running DNS, AD, and file storage (this is a new install about 3 days old). However, when I try to connect to…
SuperAdmin
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Cannot sign into domain - The User Profile Service failed the logon

I recently added an Active Directory Domain Controller to our network on Windows Server 2012. The domain name is software.eng.apl. I can join a Windows 10 computer to the software.eng.apl domain by selecting the Windows Start icon > System > Change…
JeremyCanfield
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Error installing SQL Server 2016: "The specified user does not exist"

It's been a whole saturday since I'm trying to install SQL Server 2016 without success. My procedure has been the following (I always start by uninstalling all sql server instances before trying again): Download…
Luis Gouveia
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Cannot promote Windows Server 2012 R2 to Domain Controller at a new site. "The wizard cannot gain access to the list of domains in the forest."

I'm opening a new site (physical and logical) in my international Windows domain. The site is connected to the main office by a VPN over a slow connection (I'm using pfsense as my main router and ClearOS as my VPN manager, which is the same setup I…
Daniel
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smbclient: Connection to localhost failed (Error NT_STATUS_CONNECTION_REFUSED)

until yesterday I had a functioning Active Directory Primary Domain Controller running on a raspberry pi. Now it seems I cannot get the 'samba' service to listen at all. This is since performing an upgrade. root@r2d2:/etc# /etc/init.d/samba…
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Hyper-V standards, replication before or after exchange

I'm currently building my own lab to improve, however I have a couple of general questions. I have 2 dell R710 servers, with 2012r2 and the hyper-v role installed. What I want to do is build up 4 VMs, DC1,DC2,Exchange and Sharepoint. However I…
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Will cached domain credentials stay working if machine never re-connects to domain?

I have researched this thoroughly, and cannot find the answer I am looking for. A company I recently left is going through a bankruptcy. They have already auctioned off most the IT equipment, including the server that was the domain controller.…
Alex Chance
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Re-join same computer to Windows domain without domain admin privileges

Is it possible to have a previously domain connected client computer re-join a Windows domain after a clean re-install of the OS, to assume again it's old identity, all without the explicit say-so of the domain admin? Does the answer vary depending…
Oskar Lindberg
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Any way to query LDAP binds on domain controller?

I'm working on planning a DC rebuild, and I'm trying to be as thorough as possible before demoting the old one. Is there any way to view all LDAP connections to a DC either by source IP or hostname?
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Wrong time on Domain Controller running as guest on Hyper-V

As stated in the headline our Domain Controller runs on Windows Server. This server is a Hyper-V Guest. The Hyper-V Host is joined to the Domain. Unfortunately the Time on the Domain Controller is off by a couple of minutes. As a result all clients…
Thorsten Niehues
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Install DHCP failover on domain controllers vs member servers?

What is the recommendation for installing DHCP failover; domain controllers or member servers? I can't seem to find any recommendations either way. I did find an old question here pertaining to security suggesting DHCP should never be on a Domain…
murisonc
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AD / SYSVOL Version Mismatch on Default Domain Policy

I've created two test VMs in VMWare, both Server 2012 R2 Standard. One was promoted to a DC, with the domain name being test2.local. I modified the DNS record on the other server, and joined it to the test domain. Then I did (from an administrative…
Carrot
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How to prevent non-domain computers from accessing the domain share resources?

My company is using Windows Server 2008 R2 for domain controller and file sharing, and all client computers have Windows 7 Professional installed. Some of the client computers are added to the domain, intended for accessing the share resources to…
discogito
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Logging in locally to Domain controller - Windows AD

After enabling my AD role in my Windows Server 2012 R2 and promoting it as a Domain Controller, I am no longer able to login locally onto the Windows Server itself. Specifying my computername\Administrator or .\Administrator doesn't work. Is it…
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How do I prepare local domain controller for uplink outage

My site will be losing connectivity to the rest of the network for a few days up to a week. When we've had outages before I find we get delays browsing local shares and very long delays logging in. Is there something I can do to tell the local…
Alex J. Roberts
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