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

learn more… | top users | synonyms (1)

1
vote
1answer
25 views

Windows server 2012R2 RDS installed on Domain Controller will not uninstall

Knowing I had 90 days to figure out the licensing, I installed RDS. Seems I didn't need to as Administrators can log in anyway. Now it seems we don't want to buy any more licenses so I figured I would ...
-1
votes
0answers
14 views

Linux workstations environment Microsoft equivalent (DC,LDAP, File shareing etc) [on hold]

How can I build Linux (Ubuntu) workstations environment with all the equivalent Microsoft environment, including DC, LDAP, File sharing, login scripts and auto mount shares etc? I tried installing ...
1
vote
1answer
28 views

Windows computer not recognizing membership in active directory group

In my active directory setup (Windows Server 2012r2 acting as domain control), I have a group called "TestComputers". I have a domain computer called "Computer1" that is a member of this group. On ...
0
votes
0answers
27 views

How to set up internal dns to copy public dns plus additional entries?

I have a windows domain example.com and a public domain of the same name. How do I set up my company DNS to resolve all the subdomains like the public DNS does, and more? Do I have to copy the entries ...
2
votes
0answers
32 views

Error getting the list of sites from the target environment: An invalid dn syntax has been specified

Trying to add another (second) Domain Controller to an existing Domain. In the second step of "Active Directory Domain Services Configuration Wizard" getting the following error: Error getting the ...
4
votes
0answers
21 views

Server 2003 Missing NETLOGON Folder

I've just started working for a new company where there was perviously no-one really managing the IT environment, and it's quite a small company that has only one Domain Controller (plus other servers ...
0
votes
1answer
11 views

Group Policies For Wallpaper Failing

We have some computers that are no longer getting our wallpaper pushed by group policy. In checking to see if they can access the UNC for the wallpaper (\domain.com\NETLOGON\LogonFiles\our-logo.jpg) ...
2
votes
2answers
49 views

The requested operation requires elevation

We have about 15 PCs on our network. I can make changes to all the PCs except one. I keep getting the message "The requested operation requires elevation". When I try to run a program as an admin, ...
3
votes
0answers
53 views

AD Replica DC Promotion Stall

I recently inherited infrastructure duties for a small startup I am working with. My traditional role has been development, so bear with me... I was hoping to start off on the right foot, and get ...
0
votes
0answers
26 views

Samba DLC and Windows 7 Clients. Random drop of connection. Kerberos?

I have a Samba (Version 4.1.6-Ubuntu) DLC (Server role: ROLE_ACTIVE_DIRECTORY_DC) on an Ubuntu Server (Ubuntu 14.04.1 LTS) Several Windows 7 Professional Clients are connected every day and usually ...
0
votes
1answer
38 views

Windows Server Essentials Experience DirSync Not Working After Adding Second Domain Controller

I recently did a domain upgrade for our office to Windows Server 2012 r2. Upon seeing the new Windows Server Essentials Experience and its ability to perform a directory sync with Office 365, I ...
-4
votes
1answer
48 views

Windows Server 2012 R2 Foundation joining a domain

Today I've had a problem with my Microsoft servers. This is my environment: Windows 2008 R2 standard: Domain Controller (AD) Telefon Server Windows 2012 R2 Foundation: Web Server (Apache) Some ...
2
votes
1answer
48 views

Single forest with multiple domains - authentication?

I have a single forest and a 2 domains in it. Remote sites have a mix of users from both domains. All of my domain controller are global catalogs and trusts are set up. Do I need to have domain ...
0
votes
1answer
27 views

Domain Controller Demotion & static ldap querys

I am going to be demoting some DC's and want to see if there is a way via wireshark or netstat or something to see if a server might be out there that has statically mapped to them for LDAP queries. ...
2
votes
2answers
237 views

Authenticate client against specific Domain Controller

I am having an issue with an active directory account not running login scripts. The scripts run fine in one location and not in the other. Getting the following errors in the event logs: ...
-1
votes
2answers
42 views

Prevent windows users from logging into, pinging, or browsing other workstations [closed]

Bluecoat security did an analysis of the Sony attack and says the following "This particular sample highlights the value of a network architecture where workstations cannot talk to each. While ...
0
votes
2answers
71 views

Adding client computers to an active directory domain controller

After facing a hell of a problem with adding a client computer to a domain controller, i followed the answer i got on this site and used my server's IP address as the preferred DNS on the clients ...
0
votes
0answers
14 views

Domain attached file server not authenticating with DC

I have 2 servers: Domain controller (Windows server 2012 std) - 192.168.1.2 Name dcsrv01 File server (Windows server 2012 std) - 192.168.2.2 Name fsrv01 The file server is domain attached. The two ...
1
vote
1answer
32 views

Replace the domain controller without copying the AD

we might have some special terms to do with replacing our DC. The current DC is running on an old machine with Windows Server 2003. As of the GPOs we aren't able to manage all new computers and as the ...
0
votes
1answer
56 views

Merging multiiple domains with the same existing domain name (office.local)

I am working with a new client who has 5 offices and four of which have a single domain controller with the name of OFFICE.LOCAL and another one with the domain controller DENTAL.LOCAL. Oh and all of ...
7
votes
2answers
277 views

Server 2012 R2 Active Directory Domain SRV dns records suddenly disappeared

I have a test domain that I recently configured. All of a sudden, no users can log in except those with cached credentials. The domain includes two domain controllers that are both global catalogs ...
0
votes
2answers
81 views

Running a Windows Server 2012 Domain Controller in Hyper-V

I attempted to install Windows Server 2012 on a Dell PowerEdge 2850 and found out that the server may not support Server 2012. Is there any downside to running a Windows Server 2012 domain controller ...
0
votes
1answer
35 views

LDAPs using Anonymous Access to AD forest

There is a problem related to AD which I cannot understand what configuration is missing to fix the issue. I have two DCs: testa and testb and both contain AD. I'm logged in to testa and I'm trying ...
0
votes
1answer
67 views

Windows server 2008 R2 Certificate Authority error event viewer

I am getting the error "The windows default policy module initialize method returned an error. The specified domain either doesn't exists or could not be contacted the error code is 0x8007054b. The ...
0
votes
0answers
18 views

SAMBA: wbinfo -r returning -1

I have a Clearos server acting as a PDC using SAMBA. I have set up an Ubuntu client then connected to the domain and authentication is working. On another Ubuntu client i get the following error su ...
1
vote
2answers
66 views

Will a Windows domain rename require new SIDs?

If I rename my local windows domain on my domain controller will all of the user accounts associated with the "old" domain name need to be recreated? Will the user SIDs still be valid and would my ...
0
votes
1answer
40 views

Contact DC from a client without DNS

I have read Can I create a DC without a DNS Server?. But my question is a bit different. I have one client in a completely different subnet from the DC. That client does not have access to the ...
1
vote
1answer
174 views

Encrypting SMB traffic with Samba

We use Samba on Ubuntu 14.04 LTS as a PDC (primary domain controller) with roaming profiles. Everything works fine, except for if we try to enforce encryption via setting: server signing = ...
2
votes
2answers
164 views

Colossal Failure After Domain Rename

The backstory... I recently upgraded a MS Server from 03 to 2012. The server needed to be a domain controller and for simplicities sake I named it foo.com instead of naming it something different ...
0
votes
0answers
65 views

kinit won't connect to samba4 domain controller, cannot resolve hostname

i have set up a domain controller on my virtual machine. At first i will post all important configs, so you know what works already. Hostname: affenhirn2 Domain Name: example.affenhirn2.local (i am ...
-1
votes
2answers
89 views

How best to recover from Primary Domain Controller failure?

Recently my small, aged private office Windows Server 2008 machine failed. Unfortunately, the machine was my primary domain controller and I don't have any type of secondary domain controller in the ...
3
votes
1answer
213 views

decommissioning a domain controller [duplicate]

I am new to AD. We have a total of three domain controllers that are also DNS servers. Can I decommission the DC running Windows Server 2003 standard. Will the global catalog be replicated safely?
0
votes
0answers
177 views

Domain Controller, Windows 2012, Computer policy could not be updated successfully

I have issue with DC cant update computer policy PS C:\Windows\system32> .\gpupdate.exe /force Updating policy... Computer policy could not be updated successfully. The following errors were ...
0
votes
1answer
58 views

AD FS and DC on same Server

i have to connect AD with Azure AD but we have a 2008 r2 server and wwe don`t want to upgrade the server to 2012 r2. Is it possible to have the domain controller and the ADFS server on the same ...
1
vote
0answers
84 views

Domain time drifting with VM DCs / host domain members

I'm following the advice given in this article: ...
1
vote
2answers
82 views

How to setup a Domain Controller in the cloud

We are implementing a new Windows Server 2012 R2 domain controller for our 2 small offices, and we want to set it up on Amazon EC2. I have read that with this type of setup you normally use a VPN. How ...
4
votes
2answers
47 views

Resetting DC Password from DSRM

How can I reset my DC's password? I am able to login to the server in Directory Services Restore Mode. I tried pulling up AD DS Users and Computers from there, but it does not appear that it will load ...
2
votes
1answer
20 views

What is “Ticket Options” Referring to in Domain Controller Event Logs?

I'm trying to figure out what Ticket Options is referring too within this event log off my domain controller. It is in response to a kerberos authentication request. AgentDevice=WindowsLog ...
0
votes
1answer
62 views

Adding additional 2008R2 DC to Window 2012 R2 domain

I am migrating our company's AD from a Windows SBS 2008 to a news Windows 2012 R2 Essentials server. Everything went fine and the new AD now is in production stage. The last step is adding an ...
0
votes
0answers
38 views

Would a duplicate DC on same subnet be bad, if ALL auth is only internal to the server?

Here's a weird scenario I'm looking for some guidance on. I have a VM that is a purpose-built "self-contained" demo environment. It has an application stack installed, as well as Active Directory, ...
2
votes
0answers
26 views

Consolidating Domains from 2 UPN's to 1

We currently have 1 domain (no children) at corp.domain.com. We have an alternate UPN so that users can have their UPN as username@domain.com (no corp). Many of our earlier users however have the ...
0
votes
1answer
68 views

Show NetBIOS name before Username on Windows 7 Logon

I am setting up a new DC using Windows Server 2008 R2, and my FQDN is MFC.com. When I logon to a client computer (E5530.MFC.com) using that domain, instead of showing "MFC\user.name", it shows ...
2
votes
2answers
282 views

How to join computer to domain

I have a DC running Windows Server 2012 with an internal IP of 172.31.27.158. It is both a DC and a DNS Server. Here's proof that DNS is running fine: The machine that I would like to add to the ...
0
votes
1answer
82 views

cloned windows 2003 Domain Controller wont let me add windows 2012 as member

I did a P2V of my Windows 2003 Domain Controller. I'm trying to add a Windows Server 2012 VM (Computer name: SQL-SERVER) as a member of the domain but I can't. I can ping to both VMs. I can do a ...
1
vote
1answer
158 views

Read Only Domain Controller not replicating after writable domain controller outage

I have a RO domain controller that replicates with a writable DC which is at another site. The other week the writable DC was out for about 2 days because of maintenance at that site. After this ...
0
votes
1answer
75 views

Domain network not recognized after replacing switches (Domain Controller or Switch)

I had difficulties with our network speed, we still had 100MBit switches so we made a change and replaced our 3 switches with some nice new ones (1 central 16 port going to 2 switches with 24 ports). ...
0
votes
1answer
208 views

Active Directory Domain Service started then stopped after dcpromo

I use Windows Server 2008 to install Active Directory follow this guide After a restart, I can only login to local account,not domain account due to the error No logon server are available! I check ...
6
votes
2answers
134 views

Setting up a Windows Domain in a O365-only company

My company is quite young and small, but since we're growing, we want to rollout some software deployment solution. We haven’t decided which one yet, but they usually need a Windows Domain, and we ...
0
votes
0answers
678 views

Applying user settings on a Windows Server 2008r2 server slow from external computers

I have 2 almost indentical environments consisting of a Windows 2008r2 server host running hyper-v and on each host I have 2 Windows Server 2008r2 guests. One of them acts as Domain Controller and 1 ...
1
vote
1answer
101 views

Main DC is no longer NTP or hold FSMOs

Good Afternoon, We two virtual DC and one local physical read only DC. When we moved our data center offsite with a warm backup site we p to v our DC’s and DC1 was the master schema. While ...