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

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Permissions for Scheduled Tasks on a Domain Controller

I'm trying to run a Scheduled Task on a 2008 R2 Domain Controller and all was well until I set it into the production environment. I'm running the task as a Domain User that's defined in the "Log on ...
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12 views

Deleting reverse zone in windows 2003 DNS server

This is my first time posting here on server fault. The problem i am faced with is when i try to add another DC to my network i am getting a very weird error. After some countless hours and re-reading ...
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36 views

Can I use an RODC for Active Directory athentication if the writeable DC is not available for several months?

We are running an Read-Write DC at our home office which we are using for authentication when were are working there. It works fine as long as we are at the office, but we are going to be on the road ...
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1answer
4k views

Unable to join 64-bit Windows 8.1 Pro Client to Windows 2003 domain. Win 7 works fine

I am unable to join a 64-bit Windows 8.1 Pro Client to our Windows 2003 domain. A 64-bit Windows 7 client joins fine. After installing Windows 8.1, before joining to domain, if I run nltest ...
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2answers
692 views

Mutli-DC Environment DNS Error 4015

We recently added a new 2008 R2 DC to an existing 2003 forest with one 2003 DC. We haven't raised any functional levels. The 2003 DC was powered down (it hadn't been demoted yet, but all the FSMOs are ...
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“The RPC Server is unavailable” when replicating domain controllers

I have two domain controllers: DC1: Win2k3 R2 EGDC1: Win2k8 R2 When I try to replicate these two (via Manage Sites and Services and under NTDS Settings) by selecting Replicate Now, I get the error ...
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Cannot connect to Active Directory Domain Controller

I have been working since last night to get our shared hosting machines connected through Active Directory (long overdue) but am running into an issue with clients connecting to the Domain Controller. ...
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23 views

pfSense and Windows Domain Controller - configuration?

I've got a small scaled business network separated into green, orange and red using pfSense as firewall & gateway. In the local network, there's a Windows server machine hosting a domain ...
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29 views

Exchange on a domain controller [duplicate]

I have exchange 2010 installed on a 2008 R2 Domain controller. Will it create problems for exchange if I depromote the dc back to a normal domain member? I am guessing it probably will which is why ...
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3answers
1k views

Unable to access internal network through PfSense WAN port

Our branch office is unable to connect to our internal network for some reason. However we can connect to the branch office domain controller from behind PfSense. The following is our setup: ...
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45 views

Local Privileges/Rights Issues after Domain Rename Windows Server 2012 Std R2

After renaming a domain from .com to .local I've noticed that none of my credentials work when I try to make any changes using my domain Administrator account. When I try to install software that ...
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53 views

Active Directory Mismatch

I have a Active Directory Mistmatch how do I fix this? I have 2 x 2008 R2 Domain Controllers and a 2008 Domain Controller and I was trying to add a 2012 R2 Domain Controller. The Schema Version of ...
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125 views

run installer on all machines on domain

is it reasonable to automatically run an installer (for an activex control) as administrator on all machines in my domain, using an out-of-the-box windows (any version)?
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1answer
66 views

Use Roaming Profiles as Default in AD (running Samba)

I've just set up an Active Directory Domain Controller (running Samba 4), created users, shares, groups, etc and everything is working. However, I have an environment where the use of roaming ...
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1answer
39 views

Prevent / Throttle LAN clients using domain controller as gateway

We're in a remote location in the UK, and as a result, have limited bandwidth. We are using on-router bandwidth throttling to ensure QoS for all users on the network. Our domain controller bypasses ...
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2answers
523 views

Domain Controller offline for a few days

My primary domain controller died over the weekend, its motherboard is being replaced tomorrow. I have been told that the mac address of the server may change once the new motherboard is installed. ...
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2008 R2 DC / ADDS disaster recovery plan help needed [closed]

First off, I have a perfectly healthy production domain with 2 domain controllers. One is 2008R2, the other is Server 2003. Replication occurs between them, the only issue is there on the same site. ...
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1answer
61 views

Unable to use Remote Desktop connect to Windows server 2003 by Terminal Services

I have a system composed with few windows servers 2003 R2, one is built as the domain controller another one as a web server. I tried to remotely log on the domain controller with a wyse thin client ...
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2answers
3k views

processing of Group Policy failed only on 2008 Servers and Name Resolution failure on the current domain controller

Spent last 3 months doing a upgrade from 2003 domain to a 2008R2 domain. our last DC was rebuilt (5 total) and brought up on line. After it was put on line we have some 2008 and 2008R2 servers (10 ...
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1answer
24 views

How to dump(collect) all the group policies in a domain?

I want to collect all the GPOs in a domain , for reviewing settings. How many ways are there to do it. I used Get-GPOREPORT in Powershell, but it gave a comprehensive html file, is these a way to ...
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1answer
46 views

FRSDIAG / NTFRSUTL looking for servers which don't exist

I am using the FRSDIAG room(from tech-net) to do diagnosis on FRS replication. The issue is its tying to check the DC's which no ,longer exist . Error being "missing server reference for the server ...
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3answers
378 views

Domain Controllers as internal DNS servers

Our company environment is growing rapidly and I'm in the process of upgrading our Domain Controllers, but before I do I wanted to do a quick sanity check to make sure I'm still doing everything the ...
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1answer
45 views

Domain controller is registering 2 IP addresses with DNS

Recently a DC was promoted and the IP was used from the old DC which was demoted and shutdown.How tostop this DC from registering 2 IP addresses with DNS? Please let me know if any questions.
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Windows Server 2012 R2 in a Windows Server 2008 R2 domain

Can a server running Windows Server 2012 R2 (file server, app server, etc.) exist on a network with Windows Server 2008 R2 domain controllers, or do the DC's need to be upgraded first?
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35 views

Domain controller with new domain on my network

I am migrating my organization from one domain to another. The old domain can be referred to as X, and the new domain is Y. On domain X, I have created a VM that will act as a DC for domain Y. ...
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28 views

Sysvol Replication issue

I have read a lot about this recently and must say it is doing my head in. now what I did was 6 months ago we did a upgrade of our infrastructure. We had a 2008 R2 server for domain controller now I ...
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878 views

krb5kdc: cannot initialize realm MYDOMAIN

On an out-of-the-box Turnkey Linux Domain Controller, I ran apt-get install krb5-admin-server, and while it ran fine, except for this error (warning?) in the middle of the execution: Setting up ...
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1answer
52 views

DNS and IP Configuration for Windows Server 2012 DC

I am getting these errors: SERVER Error DNS: DNS servers on vEthernet (Intel(R) 82567V-2 Gigabit Network Connection - Virtual Switch) should include the loopback address, but not as the first ...
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1answer
806 views

Network problems after primary domain controller goes down

I'm hoping someone can help me. I'm doing some testing and setup a backup domain controller. Didn't do anything special (just ran through the basic wizard) other than setup a couple of forwarders to ...
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1answer
47 views

Migration of Virtual DC to another ESXI host

I have DC on ESXi host. I want to migrate it to another ESXi host on same LAN. What is the best option? [I already have vCenter and VEEAM) Turn Off DC, and do migration from ESXi-1 to ESXi-2 using ...
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2answers
52 views

Unknown issue taking down client machines, virus or coincidence

I’m sorry if this should be on SuperUser instead of ServerFault. Please ask me to migrate the question instead of flaming. I’ve had 2 windows desktops go down on the network in the space of one ...
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33 views

Domain controller stops mapping drives from file server

File Server: Windows Server 2008 R2 Standard Domain Controller: Windows Server Standard FE 2003 SP2 This has happened twice now. User will try and log in using their domain accounts and will receive ...
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39 views

Samba Roaming not working

I had configured Samba as domain controler on Ubuntu 14.04. I can register computers(WIndows 7) to the domain but the roaming profile does not work. smb.conf looks like: # Global parameters [global] ...
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2answers
801 views

RDP add domain users broken

I have 3 Windows Server 2008 R2 instances, all of which are virtual machines hosted on a single VMware ESX server: Domain controller with DNS services DHCP/RRAS File server All three servers are ...
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1answer
51 views

Active Directory DNS probelm

I have following scenario. Windows 2008 R2 base Active Directory DC (DC1), which is hosting DNS+ DHCP too. (previously it was on windows 2003 32bit, i migrated it last year on 2008 r2 64bit). Also ...
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2answers
180 views

If I join esxi to an Active Directory domain, how does it choose which DC to authenticate to?

I'm familiar to vSphere and large installations, and not at all familiar with the free products. Topology & configuration We have some branch offices that use ESXi and have a DC resident on ...
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1answer
68 views

windows 8.1 machines have black screen after removing one of two domain controllers

We recently had a DC crash out, fortunately(?) not our GC, so we removed it from AD, and DNS. Most of the machines on the network (All of our XP, 7 , 8 machines) appear to have picked up the new DC ...
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3answers
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How to reference a Domain Controller out of the Local Network?

We have multiple servers scattered over different hosting providers. For learning, experimenting and, ultimately, production purposes, I set one of them as a Domain Controller. That went well, most ...
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1answer
237 views

Continuously check LDAP connectivity to Domain Controllers ( LDAP Heartbeat Check)

working on developing script which runs via schedule task ; whole purpose of it is to target few domain controllers and continuously(for every 2 sec) do a ldap query targeting that particular DC and ...
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Windows Domain controller recover test

I'm testing a Exchange 2012 VM recovery in a Hyper-V test server. I have this VM, 2 DC and a Exchange server: SRVDC1 (pdc, nm, rid) SRVDC2 SRVEX2 As far as I know I need to recover also a Domain ...
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108 views

Add additional name to a Domain Controller

I am looking to rename a Domain Controller. Functional level and everything else means I can use netdom to carry out the process. Looking a the technet article on the subject I can see the first ...
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35 views

Creating Exchange account for user of subdomain

We have a W2008R2 server which serves as AD DC for intra.contoso.com and Exchange server. We have a W2012 server which serves as AD DC for subdomain sub.intra.contoso.com (which is not a new forest) ...
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Will the timezone be converted across geographical areas?

I'm using Active directory in Windows server 2008 R2. My domain is in a particular timezone and my client say X is in another timezone. Now I have implemented certain restrictions that X cannot logon ...
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2answers
103 views

Domain Controller using sub domain while hosting provider does main DNS

I'm trying to setup a Domain Controller on Windows Server 2012 R2. I read that best practices are to not use a made up TLD (such as .local, .lan, etc.), but use something that you actually own (say ...
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3answers
263 views

How can I prevent the compromise of a Domain Controller on ESX stored in a unsecured location?

A client of ours has a DC that will be located in an insecure location. RODCs and separate domains/forests are not permitted by management. All the servers will be located on a VMWare ESX server. ...
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2answers
80 views

Infrastructure advice - appliaction and network servers

I'd like to ask for server infrastructure advice. We'll be upgrading our network infrastructure (built on MS ecosystem) and so far we have two servers (not counting ISA server): one machine serves ...
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1k views

Windows 2003 DC to Windows 2008 R2 DC with same name and same IP

Environment = Windows 2003 native domain with 8 DCs I've got an old domain controller that is running 2003, CA Enterprise role, DHCP, DNS, a few GPO scripts that point to shares on it, and some other ...
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2answers
190 views

Windows Server 2012 Migration (DNS/AD DS Standard Eval to Essentials OEM) P2V -> Do I need a Secondary Domain Controller during migration?

This is my first post on this exchange (although not my first on stack exchange), so please have patience. I am a 3rd year student intern, and I have been tasked with virtualizing the server systems ...
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3answers
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DNS slow after losing DNS Server

We have set up a small Windows Server 2008 R2 network with a domain controller which is also acting as the DNS server for the network (we opted to install DNS when setting up the domain). This network ...
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1answer
58 views

what happens to the local users and groups when promoting a server to a domain controller? [duplicate]

What happens to the local users and groups when promoting a domain member to a domain controller? I have a Windows Server 2008 that I have made to a domain controller by installing AD DS, but it was ...