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

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How can I create a filter in Active Directory to show only 'Enabled' Computer Accounts

Please note: I am referring to COMPUTER accounts. Not USER accounts. In Active Directory, it is easy to create a filter to show only Disabled Computer Accounts by ticking the box "Disabled Accounts" ...
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23 views

What actually happens when a computer is deleted from Active Directory?

If I open AD and then delete a computer, what will happen to that computer? Will it physically get removed from the domain? What would happen if I tried to log into the computer after it had been ...
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1answer
21 views

unable to join server to existing domain in azure within virtual network

I have created a Virtual Network on Azure and have created two VM's within the Virtual network, with IP's 10.0.0.4 and 10.0.0.5. I have added Active Directory role to a one of the VM's and promoted it ...
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5answers
331 views

How to establish trust relationship when logging in with the old password and network disabled?

I have two computers in the same domain that I use, recently I changed the domain password on one of them. When I tried to login with the same account on the other machine I get: The trust ...
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1answer
30 views

How to recover users from ntds.dit

My primary (and single) DC died by mistake (not booting) however all the files are intact. What are my options to restore users on new DC on other server? died DC: Windows server 2008 R2
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38 views

A lab-test domain controller within a network with an actual domain controller?

Self-taught tech here. Would like to learn about domain controllers. I've heard that it's not a good idea to create a domain controller within a network with an existing domain controller. Just like ...
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15 views

Domain Name Changing and exchagne server 2010

Primary name (dc1)and secondary (dc2) dns name: xyz.com All client username & computer are connected with dc1. Xyz.com domain Now I want change the primary domain name (pdc1) secondary domain ...
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2answers
42 views

After a DC loads the DNS zone does it ever have to contact the DNS server again?

I have a DC in a branch office. The DC is pointed to another DNS server in a central office (which is also a DC) for its primary DNS. So let me make sure I understand how this works: When the DC ...
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1answer
24 views

Is there a way to manage machines which are off-domain centrally?

We have a number of three tier setups here which are mostly Windows Server 2008 boxes. They tend to consist of 1 web server, 1 application/web services server, 1 db server. As this is a three tier ...
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20 views

Upgrade Server 2012 Standard Evaluation member server to Standard

I've been running a Server 2012 Standard evaluation as a member server for a while - it has been a remote site AD server that connects to our existing Essentials domain ("PDC"). The server has been ...
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0answers
13 views

kerberos cross realm authentication

I want to do setup for kerberos cross realm service authentication using active directory. My question is that should I create a different domain (I read somewhere that realm is a domain) or should I ...
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0answers
25 views

Certain GPO settings are not taking effect on Clients

I've been trying to deploy a printer with Print Management on Server 2012 however it never appears on any of the clients after deployment. And this is not only the case with printers, the same thing ...
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34 views

Deployment of Base-Node via iSCSI in Server 2012R2 HPC cluster fails (can not join domain)

We are currently evaluating Server 2012R2 with HPC Pack for an upcoming project. Sadly we are stuck at deploying the base node. The node boots via PXE (iPXE) and connects to iSCSI, installs Windows ...
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41 views

Can Not Connect to domain

I am trying to set up my first domain. I have a AD DC controller setup on my 2012R2 server. I get this error when trying to connect to the domain: Note: This information is intended for a network ...
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2answers
45 views

After setting PDC to external time source, do I have to perform a similar action for every pc/server to sync with PDC?

Server 2012 R2 as PDC, Hyper-V servers and Win 7/8 workstations I have my PDC synchronized to an external time source. What is my next step in getting my domain synchronized with regard to the PDC's ...
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0answers
42 views

How do I fix the Event ID 10154 regarding SPNs?

Server 2012 R2, Hyper-V VM-PDC w/ AD DS, DNS (single DC still; 2nd will be created shortly) The Event ID 10154 General comments state: The WinRM service failed to create the following SPNs: ...
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1answer
29 views

How do I manually check if Time Service is advertising or not?

Server 2012 R2, Hyper-V VM-PDC w/AD DS, DNS I originally had an Event ID 12 and successfully setup the time service as covered in this post. The Event ID 12 no longer shows up during startups. ...
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2answers
37 views

Should integration services always be installed on a Hyper-V VM?

Server 2012 R2, Hyper-V In researching my PDC time synchronization problems (noted in this serverfault post) I came across this Microsoft guidance at this link: "For virtual machines that are ...
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1answer
29 views

Fax Server on a Domain Controller

So I have this Fax number attached to a modem inside a Windows 2012 R2 DC. I followed the steps on: https://technet.microsoft.com/en-us/library/jj134193.aspx to install and configure the Fax Service. ...
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1answer
41 views

How do I confirm what my PDC is using for it's time source and how do I setup an external time source?

Server 2012 R2, Hyper-V I am trying to finalize setting up my first primary domain controller. One of the warnings that always comes up after first promoting the DC is Event ID 12 along with other ...
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1answer
38 views

Creating Offline Test environment

So I'm trying to create a test environment that hosts a copy of one of the domain controllers in production and I was wondering if anyone has some insight on the best way to perform the "copying" of ...
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1answer
71 views

Cannot transfer controller operations master role or demote a domain controller

Server 2012 R2, Server 2012, Domain Controller role After experiencing some permissions problems on my domain I noticed that my 2nd domain controller appears to be corrupted in some way (I'm sorry ...
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53 views

Promoting Windows Server 2012 to DC, cannot create DNS delegation because SBS 2003 DNS server is not found

I'm promoting our new Windows Server 2012 Essentials box (ASH) to Domain Controller so that I can then deprecate and demote our failing Windows SBS 2003 box (PINE), which is the only current DC. ...
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1answer
58 views

The configuration information describing this enterprise is not available - Error I receive

I have Windows Server 2012 R2 installed and when I navigate to 'AD DS' and try to go to 'Active Directory Domains and Trust' the error I receive is "The configuration information describing this ...
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2answers
46 views

Using Exchange 2013 with Samba as DC

I realize that Exchange relies heavily on AD, and I was wondering if it is possible install Exchange 2013 into an environment that is running Samba 4 as the DC?
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1answer
93 views

GPO with SAMBA as DC

I am working on a network of 500 Windows workstations with Linux servers. SAMBA 4 is in use as the domain controller. Users can move between workstations, and as a results the contents of their ...
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1answer
29 views

Active Directory 2008 multiple local user accounts

I have installed a new Active Directory 2008 Domain controller into my environment. We are currently running the 2008 AD server as a secondary. The primary AD server is a 2003 Domain Controller. We ...
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15 views

several domain controller logon

I've got two domain controllers. The master is DC01 and slave Fil01. I got that problem, that some computers logon over the slave dc and not the master. How can I set the order or prevent them on ...
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1answer
62 views

What user accounts are necessary on the domain controller pc?

2012 R2 environment When a server is created to be a domain controller, it can be setup using the domain\administrator account when is attached to the domain. The machine will also have the default ...
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1answer
155 views

DCOM Communication Error on Domain Controller

DCOM was unable to communicate with the computer 8.8.8.8 using any of the configured protocols; requested by PID 1830 (C:\Windows\system32\dcdiag.exe). This error and a couple of others to different ...
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35 views

SMB server's behavior under NT Domain and Active Directory Domain

(1) If SMB server joined to the NT Domain, does the SMB server itself executes a user authentication by communicating to a Domain Controller? To do it, does SMB client need to send a Type3Message ...
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1answer
91 views

How do I enable Remote Desktop Connection on a domain controller?

So I've come to the conclusion that something by default must prevent RDC from operating on a 2012 R2 DC. This particular post (link) suggests RDC on a DC is a bad idea and the I understand the ...
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16 views

Domain Controller Roles not properly configured

I added a W2008R2 domain controller to a domain which previously had two W2003 domain controllers. I want to demote and remove the W2003 server that held the primary roles. I successfully ...
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1answer
22 views

Windows Server Domain User and Workstation Software

I have a new server with windows server 2012(domain) and want to add a few new users and workstations( with AD), so all user could login on all workstations. That is easy, but now I would like to add ...
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40 views

Exchange 2013 and AD/GC issues

I have Exchange 2013 (minimal install and all roles are on a single server) on-premises running on a Windows 2012 R2 server (both Windows and Exchange are patched and up-to-date). Basically this ...
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3answers
40 views

Windows 2003 DC in 2008 functional level

Is it possible to have a 2003 DC in a domain with a 2008 functional level? I was under the impression that the functional level was limited by the lowest OS version of the DCs. Are there potential ...
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2answers
118 views

Should my exchange server also be a domain controller?

Please be kind in your response I'm no expert. I just want to know if it's a bad idea or good idea for my Server 2012 server that has Exchange 2013 to also be a domain controller. We currently have 3 ...
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How Active Directory identifies a computer? [closed]

I have no administrative rights to AD in my company. I have also a virtual machine (based on Virtual Box). I want to plug it into the AD with the same identity as my PC has. How AD domain controller ...
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2answers
51 views

Windows refuses to add an additional DC

I am trying to add a second DC to my network. It seems to go well: I install AD DS on a second server, I enter my credentials and the domain, and the domain is shown. I choose it, but when I click ...
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2answers
87 views

Replace DC/DNS in Active Directory

I have just tried to replace one of my domain controllers in a single domain forest keeping the old IP (But a new computername). As this is an environment I have "inherited" from a previous sysadmin I ...
2
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0answers
114 views

Samba4 internal DNS and isc-dhcp zone update

Could anybody explain, how to solve this problem with internal samba4 DNS and dynamic zone updates from isc-dhcp? In the logs I have: dhcpd: Unable to add reverse map from ...
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0answers
29 views

How long can a domain controller not be in contact with the domain without causing problems? [duplicate]

Server 2012 R2 w/ GUI in Hyper-V role, hosting VM servers. Very small system at present. Primary Servers in this system are: Domain Controller(DC), SQL, TFS, IIS, Build server I successfully ...
14
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1answer
434 views

Are all domain controllers on a small network considered equivalent/equal?

Windows Server 2012 R2 w/ GUI, Hyper-V host, VM DC I am installing my first second Domain Controller(DC) (sounds weird but that really is what I'm doing). I have what I think is a good process to ...
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1answer
57 views

mmc.exe blocked by group policy

I am changing some permissions on a small work network that I've been playing in. Domain admin and administrator permissions were so tied up that they essentially were the same account. After getting ...
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2answers
135 views

One domain controller configured in a failover cluster? Or two DCs, one on each cluster node?

I am currently planning a high available Windows Server 2012 R2 environment within a Hyper-V-Cluster with two nodes. I am not sure about how to deploy the virtual domain controller for the work ...
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2answers
31 views

Want to leave a domain/set account as administrator

I have a laptop used for school but since I've graduated long ago I wanted to remove my laptop from the school's domain, so I changed the settings and now I'm under a workgroup which sucks because ...
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1answer
88 views

Time Sync Offset on Domain Controllers and Hyper-V Hosts

I have a network with the following: Windows 2003 (PDC Emulator) (in the process of migrating) Windows 2003 DC (same) Windows 2008 Hyper-V Host w/ 5 VMs, one VM is a DC, soon to be the PDC ...
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1answer
47 views

Domain names on 2 similar windows domains (active directory)

I am fairly new to windows administration (Server 2008r2), but I am putting together a new environment, and am setting up active directory domains. I have broken my system into 2 parts, management ...
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1answer
54 views

Do Explicit Deny ACLs apply to a Domain Administrator account?

I've had a need come in a client with a two way trust (source company doesn't want us to have full admin rights, so we're having lots of permissions issues). We effectively need Domain Admin rights ...
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24 views

Windows domain controller errors

I got the following errors when enquiring two domain controllers. Cannot open security log for DC DC2.org - The interface is unknown. and OpenEventLog failed for DC DC2.org(10.126.2.6) - ...