7210 doesn't authenticate to secondary domain controller

We've been testing a 7210 configured to authenticate to a domain controller's MS active directory. Our testing indicates that when our primary domain controller is off line that the 7210 does not attempt to authenticate to the secondary domain controller. I would have expected it to behave like any other device set to authenticate on our domain and to use the secondary controller if the primary domain controller becomes unavailable.
Has anyone else noticed this behaviour and more importantly is there a way to configure the 7210 to ensure it will use the secondary if need be?
Cheers.

For others who may come across this we ended up putting a support call in to Sun. The answer from Sun is:
"... have been informed that this is by design to occur like this. Many people don't believe it should so there is an
RFE raised and development is occurring to resolve this under an internal bug."
regards
Stephen Meatheringham

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Secondary Domain Controller Not Authenticating Domain Users

Hi.
I have a primary domain controller running Win Srv 2012 in USA and i added a secondary domain controller 2012 in the same domain from a different location India, through VPN.so that India user accounts can authenticate by the secondary DC instead of primary
DC USA
Installation & replication of AD went fine
India domain users login is damn slow.
When i ran the command echo %logonserver% from a india client machine,it displays the USA Primary DC name which means its authenticating the users from USA primary DC.
Preferred DNS for india client machine is Secondary DC IP and alternate is Primary DC IP USA.
Please find the dcdiag results below and any help much appreciated
Performing initial setup:
Trying to find home server...
Home Server = server2
* Identified AD Forest.
Done gathering initial info.
Doing initial required tests
Testing server: INDIA\server2
Starting test: Connectivity
......................... server2 passed test Connectivity
Doing primary tests
Testing server: INDIA\server2
Starting test: Advertising
Warning: DsGetDcName returned information for \\server1.tst.mycompany.com, when we were trying to reach
server2.
SERVER IS NOT RESPONDING or IS NOT CONSIDERED SUITABLE.
......................... server2 failed test Advertising
Starting test: FrsEvent
......................... server2 passed test FrsEvent
Starting test: DFSREvent
There are warning or error events within the last 24 hours after th
replication problems may cause Group Policy problems.
......................... server2 failed test DFSREvent
Starting test: SysVolCheck
......................... server2 passed test SysVolCheck
Starting test: KccEvent
......................... server2 passed test KccEvent
Starting test: KnowsOfRoleHolders
......................... server2 passed test KnowsOfRoleHolders
Starting test: MachineAccount
......................... server2 passed test MachineAccount
Starting test: NCSecDesc
......................... server2 passed test NCSecDesc
Starting test: NetLogons
Unable to connect to the NETLOGON share! (\\server2\netlogon)
[server2] An net use or LsaPolicy operation failed with error 67,
......................... server2 failed test NetLogons
Starting test: ObjectsReplicated
......................... server2 passed test ObjectsReplicated
Starting test: Replications
......................... server2 passed test Replications
Starting test: RidManager
......................... server2 passed test RidManager
Starting test: Services
......................... server2 passed test Services
Starting test: SystemLog
A warning event occurred. EventID: 0xA004001B
Time Generated: 02/22/2015 17:10:30
Event String: Intel(R) 82574L Gigabit Network Connection
A warning event occurred. EventID: 0x000727A5
Time Generated: 02/22/2015 17:11:24
Event String: The WinRM service is not listening for WS-Manageme
An error event occurred. EventID: 0x0000271A
Time Generated: 02/22/2015 17:11:24
Event String:
The server {9BA05972-F6A8-11CF-A442-00A0C90A8F39} did not regist
A warning event occurred. EventID: 0xA004001B
Time Generated: 02/22/2015 17:12:41
Event String: Intel(R) 82574L Gigabit Network Connection
A warning event occurred. EventID: 0x000003F6
Time Generated: 02/22/2015 17:19:36
Event String:
Name resolution for the name mycompany.com timed out after none
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Time Generated: 02/22/2015 17:33:35
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A warning event occurred. EventID: 0x00001796
Time Generated: 02/22/2015 17:35:54
Event String:
Microsoft Windows Server has detected that NTLM authentication i
his server. This event occurs once per boot of the server on the first time
......................... server2 failed test SystemLog
Starting test: VerifyReferences
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Running partition tests on : ForestDnsZones
Starting test: CheckSDRefDom
......................... ForestDnsZones passed test CheckSDRefDom
Starting test: CrossRefValidation
......................... ForestDnsZones passed test CrossRefValida
Running partition tests on : DomainDnsZones
Starting test: CheckSDRefDom
......................... DomainDnsZones passed test CheckSDRefDom
Starting test: CrossRefValidation
......................... DomainDnsZones passed test CrossRefValida
Running partition tests on : Schema
Starting test: CheckSDRefDom
......................... Schema passed test CheckSDRefDom
Starting test: CrossRefValidation
......................... Schema passed test CrossRefValidation
Running partition tests on : Configuration
Starting test: CheckSDRefDom
......................... Configuration passed test CheckSDRefDom
Starting test: CrossRefValidation
......................... Configuration passed test CrossRefValidat
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Starting test: CheckSDRefDom
......................... tst passed test CheckSDRefDom
Starting test: CrossRefValidation
......................... tst passed test CrossRefValidation
Running enterprise tests on : tst.mycompany.com
Starting test: LocatorCheck
......................... tst.mycompany.com passed test LocatorChec
Starting test: Intersite
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Hi.
I have a primary domain controller running Win Srv 2012 in USA and i added a secondary domain controller 2012 in the same domain from a different location India, through VPN.so that India user accounts can authenticate by the secondary DC instead of primary
DC USA
Installation & replication of AD went fine
India domain users login is damn slow.
When i ran the command echo %logonserver% from a india client machine,it displays the USA Primary DC name which means its authenticating the users from USA primary DC.
Preferred DNS for india client machine is Secondary DC IP and alternate is Primary DC IP USA.
Firstly make sure that you have configured sites and subnets correctly. According to your information which you have two locations, you should have at least 2 sites and 2 subnets associated to them. If you have forgotten to configure subnets of India in your
site and services and assigned them to the India site you are experiencing this issue. Also make sure if clients in India has appropriate network connectivity to the domain controllers in India.
Mahdi Tehrani |
|
www.mahditehrani.ir
Please click on Propose As Answer or to mark this post as
and helpful for other people.
This posting is provided AS-IS with no warranties, and confers no rights.
How to query members of 'Local Administrators' group in all computers?

Secondary domain controller not able to connect from work stations.

We are using primary and secondary domain controllers. In which the secondary domain controller act as a replication server. actually the problem occurs while accessing the secondary domain controller from work stations I get the following error:
"The trust relationship between this workstation and the primary domain failed".
Any one please give as a solution.
Thank you.

Hi,
Most simple resolution would be unjoin/disjoin the computer from the domain and rejoin the computer account back to the domain.
There might be multiple reasons for this kind of behavior.
Here are a few of them:
Single SID has been assigned to multiple computers.
If the Secure Channel is Broken between Domain controller and workstations
If there are no SPN or DNS Host Name mentioned in the computer account attributes
Outdated NIC Drivers.
According your description, the second one may be the cause of your problem.
When a Computer account is joined to the domain, Secure Channel password is stored with computer account in domain controller. By default this password will change every 30 days (This is an automatic process, no manual intervention is required).
Upon starting the computer, Netlogon attempts to discover a DC for the domain in which its machine account exists. After locating the appropriate DC, the machine account password from the workstation is authenticated against the password on the DC.
If there are problems with system time, DNS configuration or other settings, secure channel’s password between Workstation and DCs may not synchronize with each other.
A common cause of broken secure channel [machine account password] is that the secure channel password held by the domain member does not match that held by the AD. Often, this is caused by performing a Windows System Restore (or reverting
to previous backup or snapshot) on the member machine, causing an old (previous) machine account password to be presented to the AD.
Follow below link which explains typical symptoms when Secure channel broken,
Typical Symptoms when secure channel is broken
http://blogs.technet.com/b/asiasupp/archive/2007/01/18/typical-symptoms-when-secure-channel-is-broken.aspx
For detailed information, please refer to the link below,
Troubleshooting AD: Trust Relationship between Workstation and Primary Domain failed
http://social.technet.microsoft.com/wiki/contents/articles/9157.troubleshooting-ad-trust-relationship-between-workstation-and-primary-domain-failed.aspx
Hope this helps.
Steven Lee
TechNet Community Support

Server 2012 Secondary Domain Controller not picking up AD nor DNS responsibilities

I had a single Domain Controller providing AD, DNS and DHCP. I went through the steps to add a Secondary Domain Controller. All the AD and DNS info shows up in the Secondary Server, however, when my original Domain Controller is turned
off, the second Domain Controller is not taking over for AD and DNS.

Hi Bayousmurf,
Good that you made some progress. However, can you please provide us the information on how you acheived transfering FSMO role to another DC since you had some issue earlier?
Your initial intention was to demote the original DC. Please follow the below link for the steps to demote the DC.
http://technet.microsoft.com/en-in/library/jj574104.aspx
Still if I power off the original DC the new one isn't taking up DNS. Still looking into the DNS...
Can you please elaborate what exactly you are looking for? When you power off original DC, you don't see DNS in new DC? Is your DNS active directory integrated? If not please follow the below procedure to make it as a AD integrated. Once done, then, power
off original DC and look in new DC to see if DNS shows up.
http://www.tomshardware.com/faq/id-1954324/configure-active-directory-integrated-dns-zone-windows-server-2012-dns-server.html
Thanks,
Umesh.S.K

Windows Server Primary & Secondary Domain Controller Question

lulzchicken wrote:
Right now the DHCP is assigning 192.168.200.1 (DNS server) and 8.8.8.8 (Google's DNS) as DNS servers for each client. I don't necessarilly want to change these assignment settings,Yes, you do. This is absolutely the worst thing you can ever do with DNS. More details why here -> Ramblings of a Sysadmin: How to do DNS correctly
Primary and secondary DNS should ALWAYS be internal.
Your DNS Servers should use FORWARDERS go go out to google. That's the only place that should see google DNS servers in your environment.

Hi everyone, thank you for taking the time to listen.
I have successfully implemented an Active Directory setup using a Primary DC and a Secondary DC with Windows Server 2012 R2.
EL1 is my PDC and EL2 is my BDC.
Active Directory is in sync among the two Domain Controllers. Here is my question:
If I were to have a policy (Group Policy) that sets the wallpaper of each client machine to whatever is in the "\\EL1\Wallpaper\wp.jpg" - what would happen if I were to have that Domain Controller fail? That directory is no longer available due to the outage - even though the Backup Domain Controller will still be pushing out the policy (pointing to the down server).
My idea was to have that directory replicated on the Backup Domain Controller, "\\EL2\Wallpaper\wp.jpg" however - the policy will still be looking for the file in the Primary Domain...
This topic first appeared in the Spiceworks Community

Secondary Domain Controller

Hi ,
I have 2 physical servers srvr1 and srvr2 running windows server 2012 Standard , with 32RAM and 800GB for each , srvr1 is Domain controller , and I need to make secondary as backup in case the first one fail .
my question is what is the best option
install secondary domain on Srvr2 or on the hyper instance of srvr2 and why
thanks in advanced

thanks for the reply ...
srvr2 is physical server and not hypervisor , i used it as applications server . so I was wondering what is the best practice user the hyper v role or the server itself
thanks
I recommend to always use dedicated servers for the DC role, so I would then suggest running it as a virtual machine.
Enfo Zipper
Christoffer Andersson – Principal Advisor
http://blogs.chrisse.se - Directory Services Blog

How to configure secondary domain controller read only, but prevent write in replication?

Hi all,
I have one primary Domain controller (dc1.abc.local) at site, production mode.
I am trying to do some Proof of Concept with the firewall appliance, which the user datastore need extract and bind to AD.
I am thinking setup another new computer and promote it domain controller (new.abc.local), same domain, same forest. But this only can read the configuration replicate from primary Domain controller (dc1.abc.local) but cannot write.
Firewall will use the ID agent to pull the log event from the DC and do the IP mapping table (User - IP).
What is the setting i need to on both domain controller?
p.s: one criteria i cannot set this server role as RODC.
p,s: platform is window servers 2008 R2
Thank

Not very easy telling you how to extract info, not sure what it is you need and your skill level scripting.
There is a Microsoft Script Center that has scripts available
http://gallery.technet.microsoft.com/scriptcenter/site/search?f%5B0%5D.Type=RootCategory&f%5B0%5D.Value=activedirectory&f%5B0%5D.Text=Active%20Directory
Also there is a scripting forum, where you could ask for help in crafting your script
http://social.technet.microsoft.com/Forums/windowsserver/en-US/home?category=windowsserver#forum=winserverpowershell&filter=alltypes&sort=lastpostdesc&content=Search
Paul Bergson
MVP - Directory Services
MCITP: Enterprise Administrator
MCTS, MCT, MCSE, MCSA, Security, BS CSci
2012, 2008, Vista, 2003, 2000 (Early Achiever), NT4
Twitter @pbbergs http://blogs.dirteam.com/blogs/paulbergson
Please no e-mails, any questions should be posted in the NewsGroup.
This posting is provided AS IS with no warranties, and confers no rights.

Domain Controller (Windows) + Secondary Domain Controller (Mac)

Can this setup be done to where the windows box would control windows computers, while the secondary controller (xserve) would control the authentication for Macs?

Hi
OSX Server can function as a Domain Member in a Windows Server environment. It can’t function as a BDC if the PDC is a Windows Server. The only occasion that OSX Server can function as a BDC to a PDC is when the PDC is an Open Directory Master, in other words another OSX Server. In effect this would be an OD Master and Replica relationship.
This applied with 10.4 Server. I may be wrong but I’ve not seen anything in the 10.5 Open Directory Admin Manual yet that says different.
Hope this helps, Tony

Server 2012 secondary domain controller or Hyper-v Live replication

Hi all,
For a client am i building new servers.
The setup is simply, two Hyper-v servers and one fileserver.
But, what would be the best setup to do with the DC?
I can install a secondary DC, but i can also choose to make a live replication of the DC in Hyper-V.
What is the best, more important the safest option to choose?
Of course there is a backup running twice a day to make a full backup of the VM's.
Thanks in advance,
Patrick

Honestly, I would recommend standing up a secondary DC. The problem with replication is if something get's hosed on the primary side of things you typically only have a limited amount of time before the bad changes get replicated over to the replica.
It's also a best practice to have multiple DC's for redundancy in your environment.

Domain Controller going down after IDM implemented

Hi,
We have implemented IDM 7.1 and are using the PSS (Password Self Service), Password Syncronization functionality for 2 AD and 6 ABAP systems. This PSS is implemented to support our company ESS which is on the internet so that users can reset their own password. Hence to support it we have a architecture having one AD on the DMZ and another internal.
Both the AD repositories have been configured pointing to a perticular DC (Domain Contorller) . All the DC's have Phook installed on them.
Since Go-live we have not had any issue with the DC on the DMZ but the internal DC keeps going down once in a while and it doesnt have a pattern. We tried switching to different DC's also which didnt work. Right now we are keeping a close watch on the DC and we carryout a restart whenever it happens.
Did anyone come across such kind of a issue, if so then please let me know.
Thanks.

Hi Ahmed,
Thank you for your quick response! Our secondary domain controller IP settings were set properly according to the recommendation, but the primary (the one having the issues) was not. I went ahead and changed the settings and did an ipconfig /registerdns
and restarted the netlogon service. Nothing changed after that. I ran a dcdiag and the only one that failed was this:
      Starting test: NCSecDesc
         Error NT AUTHORITY\ENTERPRISE DOMAIN CONTROLLERS doesn't have
            Replicating Directory Changes In Filtered Set
         access rights for the naming context:
         DC=ForestDnsZones,DC=*hidden*,DC=*hidden*
         Error NT AUTHORITY\ENTERPRISE DOMAIN CONTROLLERS doesn't have
            Replicating Directory Changes In Filtered Set
         access rights for the naming context:
         DC=DomainDnsZones,DC=*hidden*,DC=*hidden*
         ......................... *hidden PDC Name* failed test NCSecDesc
I'm going to restart the server tonight after those IP changes and let you know my outcome.
Thanks again!

Adding a second Domain Controller

...ok, so what you're saying is, If I don't spread out the FSMO roles, when the primary DC fails, I will likely run into problems until I seize the FSMO roles and delegate them to the secondary DC? By spreading out the FSMO roles, I am creating less work for myself in the event of a failure?
...Having said that, it isn't critical that I spread out the FSMO roles, but, would benefit me in the event of failure from a time stand point?

I'm sitting at about 95% completion... but before I click finish, I had a few questions...
I have a physical domain controller and Site-A, I want to add a secondary Domain Controller to Site-A and run it as a Virtual Machine... just in case the first DC dies, my users can still authenticate while I restore it from backup...
I'm essentially adding a new DC to the existing domain, Global Catalog, DNS... not read only...
I don't understand FSMO... do I need to do anything? or can I literally just add the second DC to the existing domain, enter the IP of the new DC in the secondary DNS on all my workstations (or DHCP leases settings) and call it a day?
Thanks for the input.. .just trying to make sure I'm not going to hose my primary DC or fek something up and create more work for myself than necessary...
This topic first appeared in the Spiceworks Community

Potential Downtime or Damage to Exchange if I remove a second domain controller??

We have a single instance of Exchange 2010 with all roles (minus lync, communications, etc..) on a Server 2008 Standard server.
We also have a primary domain controller and a second domain controller that offers DNS and would be used in case of disaster to the primary controller.
I've noticed in the past that if the secondary domain controller is down for maintenance that the Exchange server starts having problems. A major example of this would be last year the virtual instance of the second domain controller failed and when we rebooted
the exchange server, it lost its association with the domain even though the primary domain controller was readily accessible.
We are in a spot now that we no longer need the secondary domain controller and want to decommission it. I obviously want that to go as smoothly as possible. Is there anything I should do to prevent any unwanted damages to the exchange environment?
Jonathan Strader

It doesn't seem that anyone has responded to this. The short answer is turning off the secondary server will NOT have an effect on the exchange server. HOWEVER, that is the short answer.
It WILL have an effect if:
1) the secondary server is the ONLY DNS server and the exchange server is using the secondary server for DNS queries.
2) The FSMO Roles are on the secondary server
3) The Secondary server is the only global catalog.
I know this is a lot to take in.. but it really isn't that hard. FSMO Roles and global catalog are just a piece of active directory that keeps track of users, rights, settings, that sort of thing. You need to make sure that you seize the FSMO
roles on the first domain controller.
One command you can do on the first server to check fsmo roles is:
netdom query fsmo
On a side note. This is what you can do as well to see if the secondary server has any effect on exchange. Ready? Turn off the secondary server and see if anything bad happens (People don't get their emails..) if something stops working
after you turn off the second server then turn it back again. Everything should be back to normal.
Jerry Suner

Upgrading windows server 2003 domain controller to windows server 2008

Hello friedns :
We have a company with about 2000 users , and two windows server 2003 domain controllers , one of them acts as a primary domain controller , and the other acts as secondary domain controller , all the FSMO s are on the primary DC ,we have decided to upgrade all of our servers from windows server 2003 to windows server 2008 , the first step is to upgrade the domain controllers to windows server 2008 , our domain controllers are so sensitive and has to be active 24 hours a day , i have stress upgrading it to windows server 2008 , what is the best solution to upgrade it with no risk ?
( i have an opinion but i am not sure and i dont have any guide about it , i want to install a windows server 2008 and promote it as an additional domain controller to the windows server 2003 DC and the transfer all the FSMOs to it , and then promote the first domain controller !!! is that possible ? if yes , is there any guide about it? )
If there is a guide available for it please let me know . (Specially if there is a tip & trick)
thank you guys.
Network is my LOVE

Hi,
This TechNet online article might be helpful for you.
How to Upgrade Domain Controllers to Windows Server 2008 or Windows Server 2008 R2
http://technet.microsoft.com/en-us/library/ee522994(WS.10).aspx
For your convenience, I have list some general steps for your reference.
Since the following operation have potential damage to Active Directory database, it is highly suggested that you'd better perform a full backup of Active Directory (System State) firstly. Also it is better to test the following procedure in a similar lab environment first.
General Steps:
=============
1. Verify the new server's TCP/IP configuration has been pointed to the current DNS server.
2. Make the new server become a member server of the current Windows Server 2003 domain first.
3. Upgrade the Windows Server 2003 forest schema to Windows Server 2008 schema with the "adprep /forestprep" command on old server.
Please run the "adprep.exe /forestprep" command from the Windows Server 2008 installation disk on the schema master. To do this, insert the Windows Server 2008 installation disk, and then type the following command:
Drive:\sources\ADPREP\adprep.exe /forestprep
4. Upgrade the Windows 2003 domain schema with the "adprep /domainprep" command on old server.
Please run the "adprep.exe /domainprep" command from the Windows Server 2008 installation disk on the infrastructure master. To do this, insert the Windows Server 2008 installation disk, and then type the following command:
Drive:\sources\ADPREP \adprep.exe /domainprep
5. Insert Windows Server 2008 Installation Disc in the new server.
6. Run "dcpromo" on new server to promote it as an additional domain controller in existing Windows 2003 domain, afterwards you may verify the installation of Active Directory.
Please refer to:
How to Verify an Active Directory Installation in Windows Server 2003
http://support.microsoft.com/kb/816106
7. Verify the new server's TCP/IP configuration has been pointed to current DNS server.
8. Enable Global Catalog on new server and manually Check Replication Topology and afterwards manually trigger replication (Replicate Now) to synchronize Active Directory database between 2 replicas.
Please note: It will some time to replicate GC between DC, please wait some time with patience.
9. Disable Global Catalog on the old DC.
10. Transfer all the FSMO roles from the old DC to the new DC.
Please refer to:
How to view and transfer FSMO roles in Windows Server 2003
http://support.microsoft.com/kb/324801
11. Verify that the old DNS Server Zone type is Active Directory-Integrated. If not, please refer to:
How To: Convert DNS Primary Server to Active Directory Integrated
http://support.microsoft.com/kb/816101
Note: Active Directory Integrated-Zone is available only if DNS server is a domain controller.
12. Install DNS component on new server and configure it as a new DNS Server (Active Directory Integrated-Zone is preferred). All the DNS configuration should be replicated to the new DNS server with Active Directory Replication.
13. Make all the clients change TCP/IP configuration to point to new server as DNS.
14. You may configure TCP/IP on all the clients, or adjust DHCP scope settings to make them use the new DNS server.
Please note: It is a good practice to make the old DC offline for several days and check whether everything works normally with the new server online. If so, you may let the old DC online and run DCPROMO to demote it.
Hope it helps.
Regards,
Wilson Jia
This posting is provided "AS IS" with no warranties, and confers no rights.

Domain Controller Keeps going to Power Safe Mode

Have you checked the power supply?

Hi guys,
My secondary domain controller cannot reboot fully but rather keeps booting into power safe mode hence i have failed to start it up.
Has anyone experienced this problem? or Have any suggested answers.I will be very gratefull.
Bridget.
This topic first appeared in the Spiceworks Community

Adding second domain controller in Windows server 2012 R2

Hello, our primary domain controller is currently on a machine that has Windows Server 2008 R2 Standard. We are planning to setup a second domain controller as a failover to our primary domain controller. My question is, can we have a secondary domain
controller on a Windows Server 2012 R2 even if our primary domain controller is on a machine that has Windows Server 2008 R2?

I think I found the answer to my question.
http://technet.microsoft.com/en-us/library/dd464018(v=ws.10).aspx
"In Windows Server 2012, Adprep.exe is integrated into the AD DS installation process and runs automatically as needed. For example, when you install the first domain controller that runs Windows Server 2012 into an existing domain and forest, then adprep
/forestprep and adprep /domainprep automatically run and report the results of the operations.
Some organizations may prefer to run Adprep.exe separately in advance of an AD DS installation. For this reason, Adprep.exe is also included in the \Support\Adprep folder of the operating system disk.
In Windows Server 2012, there is only one 64-bit version of Adprep.exe. It can be run remotely from any server that runs a 64-bit version of Windows Server 2008, Windows Server 2008 R2, or Windows Server 2012. The computer where you run it can be either
domain-joined or in a workgroup.
The version of Adprep.exe in Windows Server 2012 includes new syntax and parameter options in order to run it remotely. For more information, see
Adprep."
For more information about the objects and containers that are created when the schema is extended to support Windows Server 2012, see
Windows Server 2012: Changes to Adprep.exe.

7210 doesn't authenticate to secondary domain controller

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