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

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Join Database Server to domain controller

How can i join database server (SQL Server 2008 on Windows server 2008) To Domain Controller server and let users who are connected to domain controller, to reach software on database server
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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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14 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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23 views

Windows Server 2008R2 setup solution [on hold]

we have 2 servers (Win2008R2) and we need to set them up as our old servers (Win2003) are going obsolete. We have around 250 users, that run our custom build application, that requires Remote Desktop ...
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12 views

Prohibit computers to join a domain if they are not exist in the Active Directory

Whenever we join a computer to a domain, the computer object is automatically created inside Active Directory. We would like the option to be able to join a computer to a domain only if the computer ...
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2answers
36 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
56 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
23 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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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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40 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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71 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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30 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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48 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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14 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
19 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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20 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
38 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
77 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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1answer
45 views

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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73 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 ...
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74 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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27 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 ...
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413 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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47 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
83 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
23 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
61 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
41 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
39 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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23 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) - ...
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50 views

How to use Group Policy to control local administration access (LOCAL ONLY)

At the company I work for, we have about 75 computer users. We have a Microsoft Domain Controller in our server environment (MS Server 2012) with Active Directory. When users need to install ...
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26 views

Can user still log on if local DC (which is also the DNS & DHCP) fails?

I have only 1 domain with 3 DCs (all of them are GC, DNS, DHCP). The DCs are located at 3 different sites, A, B, C. If site B DC fails, can a user at site B log in?
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46 views

Access to “Windows Security” logs for “eventlog” group

Security logs are not available for users in eventlog group. I've checked this down to security event log file. eventlog group has all permissions. Unfortunately I cannot add my user to ...
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34 views

Can you demote SBS 2003 DC with Exchange still working

I'm sitting with a bit of a delema, and I don't want to demote the AD on the SBS 2003 server before I know it is safe. We are consolidating servers, and I installed a new Windows 2008 R2 Standard ...
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49 views

SBS 2011, second domain controller - make RODC?

I have an SBS 2011 domain at a single site. I had previously added a second domain controller for redundancy (including DNS) so that when the SBS server needs rebooting the network is uninterrupted. ...
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1answer
55 views

Replication not working on DC

I am getting the following error (4612) on my secondary and tertiary DCs: The DFS Replication service initialized SYSVOL at local path C:\Windows\SYSVOL\domain and is waiting to perform initial ...
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1answer
72 views

Installing a new domain server on a small network without taking down the old one

I'm attempting to replace a windows server 2003 domain controller/dns/dhcp server on a small business network with a new machine running server 2012 without having to take down the old one until ...
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1answer
94 views

ADFS without domain

Is it possible to run a ADFS 2.0 without connecting the server to a domain? We are using Shibboleth as claims provider, so we actually don't need active directory here. We manage to setup the ADFS ...
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76 views

Windows Server 2012 - How to set up Domain Controller Trust?

I'm attempting to set up a test system to replicate the following environment: Two AD domain controllers serving two separate domains, mycorp.local and mycorp.hq. It's not exposed to the outside ...
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76 views

System error 1314 : Samba and WIndows 7 client

I'm getting the following error when trying to log in a domain PC System error 1314 has occurred. A required privilege is not held by the client. This only occurs on this PC and it happens for all ...
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138 views

Domain controllers won't replicate

I recently removed a secondary domain controller (forcefully) and created a new one as secondary for the same domain. The problem is, is that the new secondary can see the primary and itself, but the ...
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1answer
38 views

What happens to non-domain controller workstations/servers when user rights assignment policies are removed/no longer apply?

I'm trying to do a good ol' fashioned Group Policy Object clean-up job on our domain controller that was upgraded from Windows 2000 (Small Business I think) to Windows Server 2008R2. In my company's ...
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1answer
71 views

Best practices for time syncing a WS2012R2 domain controller that is a Hyper-V virtual machine?

What are generally the best practices for keeping time in a WS2012R2 domain controller? Right now I have left it as installation and honestly, there is no problem ("If it aint broke, don't fix it") ...
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1answer
60 views

Windows Server R2 2008 domain join - logon failure: unknown username or bad password

I have this problem where I try to make a winodws machine authenticate against a ubuntu samba PDC, but i keep getting the error logon failure: unknown user name or bas password here is my ...
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66 views

Time Zone keeps changing after sync with PDC in different site

Background: I have a single domain, running in 2 sites that is connected using Site-to-Site VPN. Site A is running in time zone 2:00+ UTC Site B is running in time zone 4:00+ UTC DCs are correctly ...
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3answers
110 views

What should happen when I browse to my Windows domain name via UNC?

A while back I setup a DFS namespace \\my.dom.com\somecrap. Its working great, but I've always notice something that confused me and I never asked about it. When I just browse to \\my.dom.com it ...
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63 views

Restored virtual DC - Issues after restore

I have two HyperV hosts, hv01 and hv02. hv01, a HyperV 2012 R2 server, hosts an SBS 2011 server and two other member servers, 2k8 R2 and Server 2012 R2, but neither are DCs. hv02 is Win 2k8r2 with ...
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DFS Namespace is inaccessible when DC4 is up and running

DC1, DC2 and DC3 are at site A. DC4 and DFS server (2008 R2) are at Site B. DC4 is Server 2003 and not a Global Catalog. DC1, DC2 and DC3 all are Server 2003, FSMO role holders and a Global Catalog. ...
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51 views

Active Directory Multi Domain Enviornment

I work for a small organization which will be starting another branch of business here shortly. We have an existing active directory infrastructure and are looking to add another domain to the ...