Auto discovery between forest trust.

HI,
We are merging to a company and set the forest trust. We are going to export our mail to their exchange and remove our exchange server.
We are login to our Domainold.com and currently outlook2010 clients are looking for our old domain exchange.
But how do i set this to go and find the New Exchange in our parent domain (newdomain.com) exchange and configure the client automatically?
AS

Hello Aussupport,
Currently your autodiscover URL is pointing to Old CAS servers, Please point to new CAS server, Please below command to set the required URL for Autodiscover Virtual directory, in below command , you can use Internal/external URL's how
you want
Set-AutodiscoverVirtualDirectory -Identity 'autodiscover (default Web site)' -ExternalUrl 'http://www.contoso.com'
like this please configure for all the virtual directries
always use external URL (ie FQDN of CAS form)
currently users are looking for Old RPC Client access server as their End point to access the mailbox resource, please point to new cas form

Similar Messages

Force Forest Trust to establish between Core DCs

Hi,
The scenario is as follows; 2 forests which require a trust. Network comms only allow Domain Controllers residing in respective data centres to talk yet there are multiple remote sites in each forest.
I am finding that the verification and trust secure channel works intermittently and external network monitoring indicates DCs trying to talk to remote site DCs (which indeed fails).
_msdcs nslookup returns all DCs in 'other' domain and all with same priority and weight (0,100). There is conditional forwarding configured (also tried Stub and Primary Zones with same result). I am suspecting that a round robin / pseudorandom effect is
happening that results in timeouts.
How does one establish consistent trust communication between 'bridgehead' domain controllers while ignoring those DCs that are not reachable?
Appropriate ports are open and tested. These are Windows 2008 DCs in Windows 2003 functional level. I have researched DCLocator and AD Site configuration without luck. If we need to change SRV records for ONLY those trust domain requests, how would that
be achieved?
Thanks in Advance,
Al

Hi Ahmed,
Thanks for the links, I've reviewed them. The issue I have is that the remote domain controllers in each domain traverse long WAN links with substantial latency while the 'core' domain controllers have a dedicated low latency link between them. Therefore
limiting the trust traffic to just these DCs is preferable.
Internal domain controllers of each domain have consistent network connectivity and replicate as required.
To create a rudimentary picture; Domain1RemoteDC --> Domain1CloseDC <--> Domain2CloseDC
<-- Domain2RemoteDC.
Domain1RemoteDC cannot route to Domain2RemoteDC. I am seeing port389 requests between which fail, and which I believe is killing the trust / time out on secure channel.
I'd like to force the trust and authentication path to be limited to Domain1CloseDC and Domain2CloseDC.
I have reviewed this link: http://blogs.technet.com/b/askds/archive/2008/09/24/domain-locator-across-a-forest-trust.aspx though creating sites in each directory does not seem to assist.
Thanks,
Al

2012 R2 DirectAccess multi domain forest: Is it possible Limit Auto-discovery of domain controllers?

I've just successfully implemented Multisite server 2012 R2 DirectAccess in a child domain of a global company with numerous sub domains. I'd like to limit the scope of the auto discovery of management servers in 2012 R2 DA is anyone aware of
any way of doing this?
During the default initial configuration of DirectAccess Auto-discovery of domain controllers is performed for all domains in the same forest as the DirectAccess server and client computers.
In my scenario the number of sub domains and multinational nature of the company means that the DA servers cannot contact all DCs for every child domain in the forest.
This means the Operations Status page in the Remote Access Management console always shows the status of the Domain Controller check as "critical" leaving a red X amongst my nice green ticks. It's untidy and at first glance it looks like there
are major problems with the service.
The DA servers, Client machines and users are in a single sub domain so we have no need to contact the other child domain DCs.
I looked into using the Remove-DAMgmtServer PowerShell cmdlet however this is not applicable since it cannot be used to remove automatically configured management servers such as DCs.
Also the child domain DCs don't actually appear in the management servers list.

Hi, a colleague of mine had the same problem in a DirectAccess deployment in a large organization tat have a multi-domain forest. He had no choice to open network flow to have at least one domain controller per domain in the forest.
BenoitS - Simple by Design http://danstoncloud.com/blogs/simplebydesign/default.aspx

Two-way forest trust between two (single domain) forests with multiple identical user ID's

Domain and forest levels - Windows 2003 (they both have one 2008 R2 DC)
We need to create a two-way forest trust between two separate single-domain forests. The problem is that these two forests already access each others resources through a S2S. Users have the same login names and passwords on both forests/domains. Now, we
are combining their infrastructures and need to set up a trust. From what I'm reading, you can't create forest trusts if you have the same SIDs, user ID's, or computer name in each of the forests.
I'm looking into AD migration tool to copy the userSIDs (SID history?) between forest/domain, deleting the user ID's in the domain we migrated from, and then setting up the trust, but I'm leery about doing it this way as there is no easy 'recovery' should
something go wrong.
Any suggestions for the easiest way to setup this forest trust?

Hi,
To eliminate your worries, two user accounts have the same user name doesn’t mean that they have the same SID. Moreover, the user’s SID remains the same even after it has been renamed.
The SID for domain account/group consists of a
Domain Identifier and a Relative Identifier. Domain Identifier is unique in every domain within a forest, and a Relative Identifier is unique within domain. It is unlikely that two user accounts with or without the same account
name from two forests have the same SID.
The Technet article you mentioned is talking about duplicate SIDs instead of “duplicate computer name or user account”, I will submit a change request to Microsoft about this.
If there are duplicate SIDs when you create forest trust, you need to delete one of them as the article guides.
Here are some related articles below for your references:
How Security Identifiers Work
http://technet.microsoft.com/en-us/library/cc778824(v=WS.10).aspx
Security Identifier Structure
http://technet.microsoft.com/en-us/library/cc962011.aspx
Security Identifier
http://en.wikipedia.org/wiki/Security_Identifier
I hope this helps.
Amy Wang

What difference between a domain trust and a forest trust?

What difference between a domain trust and a forest trust?

Greetings!
The answer is right on the question! :)
I think it is best to distinguish properly between forest and domain. This article is a good one:
What Are Domains and Forests?
But in a nutshell, a forest trust is mostly used between two organizations, Suppose company A has a unique forest and company B has another unique forest as well, when they are merged they can simply create a forest trust between each other, This trust can
be one-way or two-way depending on your needs.
Domain trusts are between a single instance (domain) of a forest to another instance (domain) of another forest. It is worth mentioning that trust can be transitive as well.
What Are Domain and Forest Trusts?
I hope you got the answer.
Regards.
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?

DCOM access failure between forests

In the process of setting up a single System Center Data Protection Manager (DPM) Server to protect domains in multiple forests, I have run into a show-stopping problem.
For all the child domains within the same forest a two way (child) trust exists and everything works fine. However, for domains in another forest, for which a two way (forest) trust exists, all attempts to use WMI / DCOM fail saying the RPC server
is unavailable.
For reference, system A is in forest X and system B is in forest Y. A two way forest trust exists between X and Y. In addition, all the necessary DNS forwarding is in place to allow name resolution to succeed.
System A can successfully ping system B. System A can also use the net view command to view the SMB shares of system B. System A can also use the sc command to communicate with the SCM on system B.
However, any attempts to use WMI fail. Either using the PowerShell Get-WmiObject or the wmic command.
It really seems like there is some DCOM configuration problem, but I have been unable to determine what it is and fix it.
Suggestions, hints, what ever are welcome.
- Mark

Hi Mark,
To troubleshoot the error "The RPC server is unavailable", please follow these steps below:
1) Check that DCOM is enabled on both computers. Check the following registry value: HKLM\Software\Microsoft\OLE, value: EnableDCOM,'Y'
2) Check the relevant remote access or WMI-related services are running:
Remote Access Auto Connection Manager
Remote Access Connection Manager
Remote Procedure Call (RPC)
Remote Procedure Call (RPC) Locator
Remote Registry
3) Check the firewall issue on the remote computer:
Temporary disable the firewall and retry the cmdlet, if the cmdlet works now, please investigate the firewall inbound rules.
I hope this helps.

ISE 1.2 Authentication fails for 2nd AD domain with the forest trust relation

We are running cisco ISE 1.2, we have new AD domain with forest trust relation between both the new and the old. authentication to with the new domain fails.
Is there any requirements or configurations change needs to be done to make it success?

Use the license that is currently on your ISE. If your account has access to download the software, then you are good. The license will not change during the upgrade. If you are using ISE 1.2 Patch 8 or above, then you are using the same Base/Plus?Apex Licensing model.
If you are not yet on Patch 8, the you are using Base/Advanced and these will be converted during the upgrade.
Please Rate Helpful posts and mark this question as answered if, in fact, this does answer your question. Otherwise, feel free to post follow-up questions.
Charles Moreton

Questions in the migration between Forest A to Forest B

Hello Team,
We have the following environment and questions, please advise.
Environment
Forest A with the following roles:
Domain Controller
Dirsync
ADFS
ADFS Proxy
Exchange 2013 onpremise server with no mailboxes hosted in it.
Has trust between Forest A and Office 365 tenant.
All the mailboxes has already been moved to office 365 tenant.
Requirement
Want to bring in Forest B
Then going to migrate all the users from Forest A to Forest B
Then going to decommission Forest A and create trust between Forest B and office 365 Tenant.
Questions
What are the implications and how long do we need to schedule downtime?
Will there be any impacts?
How & when can I manage (enable/disable) Dirsync, ADFS, ADFS proxy?
How can I transfer these roles (Dirsync, ADFS, ADFS proxy) to Forest B?
Please advise. Thank you for your time.

Hi Balamurugan,
According to your posting, I noticed that all mailboxes for users in ForestA have been moved to Exchange Online (Office 365) and there is no mailbox in Exchange 2013.
Sorry that I am not familiar with the Office 365 tenant. I am not sure about the impacts for mailbox in Exchange Online when you migrate all users from ForestA to ForestB. I suggest we can ask a question in Exchange Online for more suggestion:
http://social.technet.microsoft.com/Forums/en-US/home?forum=onlineservicesexchange
The reason why we recommend posting appropriately is you will get the most qualified pool of respondents, and other partners who read the forums regularly can either share their knowledge or learn from your interaction with us.
Thank you for your understanding.
Regards,
Winnie
Winnie Liang
TechNet Community Support

Active Directory cross forest trust which are deployed in separate subscription

Hi All,
I know that this is not Azure forum, but I have a question related to Active Directory, Appreciate your understanding and letting me know your concerns about AD cross forest between two subscriptions of Azure.
We have two separate subscriptions of Windows Azure under one Global Account, previously these two subscriptions are treated as a separate company and they are having separate forest and separate domain, these two companies does not have any site to
site VPN with each other over the wan, but these two companies are having site to site connection with Azure for their own subscription respectively.
Additional domain controller for both subscriptions are deployed in Azure in order to authenticate those servers which are already deployed in Azure
Due to some reasons these companies are merging together and due to some reasons they want to have cross forest trusts between these two companies. As we do not have any WAN connection between these two companies the questions has been raised that can we
do a cross forest trust between two Active Directories because these two are deployed in Azure and both companies active directories are deployed in Azure.
Can we achieve this and how we can achieve this, I know that we can expose servers in Azure over the internet by creating endpoints and allow ACL in order to get connection from specific public IPs.
My question is can we achieve this, does it supported from Microsoft. if yes then is there any thing we have to consider before deploying it.
Thanks
If answer is helpful, please hit the green arrow on the left, or mark as answer. Salahuddin | Blogs:http://salahuddinkhatri.wordpress.com | MCITP Microsoft Lync

No, i am not using Windows Azure Active Directory at all, i have deployed additional domain controllers from each forest on each subscription.
For example in subscription 1 we have additional domain controller of forest 1 and in subscription 2 we have additional domain controller of forest 2.
Thanks
If answer is helpful, please hit the green arrow on the left, or mark as answer. Salahuddin | Blogs:http://salahuddinkhatri.wordpress.com | MCITP Microsoft Lync

Forest trust unable to find Active Directory Domain Controller

I have two domains with a two-way forest trust. We'll call them ForestA and ForestB. They're on seperate subnets. ForestA's DCs are in one physical location. ForestB's DCs are in two locations, one of which is shared with A.
I'm unable to route traffic directly from the remote DC in ForestB to the subnet ForestA is on, so I created a new DC in ForestA that sits on the subnet ForestB uses (basically, I can't route between subnets via the wireless bridge between locations, but
can within the same location).
I found this: http://www.neomagick.net/zen/2008/11/30/using-dns-to-force-a-domain-trust-through-a-specific-domain-controller-dc/
I followed the instructions to set the new DC in forest A to be the only one the remote DC in forest B was aware of.
Nslookup ForestA.com resolves correctly to this DC, but I'm unable to validate the trust relationship, getting the error:
"Windows cannot find an Active Directory Domain Controller for the ForestA.com domain. Verify that an AD DC is available and then try again."
I'd appreciate any help.

In the event viewer, have you found any event id's that corrospond with this error? Have you ensured all ports required are open? Windows firewall is correctly setup? NIC is properly configured?
Statement below taken from: http://technet.microsoft.com/en-us/library/cc961803.aspx
If you receive the following error, ERROR_NO_LOGON_SERVERS while using the Nltest tool to query the secure channel, this is usually indicative of the inability to find a domain controller for that domain. Run nltest /dsgetdc: < DomainName > : to verify
whether you can locate a domain controller. If you are unable to find a domain controller examine DNS registrations and network connectivity.
ADDS Ports:
http://msdn.microsoft.com/en-us/library/dd772723(v=ws.10).aspx

Forest Trust Issues (Group Membership Issues)

OK - this is going to be long. I hope I am detailed enough.
Four domains, each in their own forests:
domain.w.com
domain.x.com
domain.y.com
domain.z.com
For the sake of everyone, I'll refer to each domain as "w" or "x", which would be domain.w.com and domain.x.com, respectively.
Domains x, y, and z all have users that require access to resources on domain
w. Remember - each domain is in its own forest.
Three trusts were created on domain w. Since the users on domain w do not need any resources on the other domains, three "ONE-WAY:OUTGOING" trusts were created (one for each) via Active Directory Domains and
Trusts on domain w. The option to create the trust (have it show up in Active Directory Domains and Trusts) in the other domains (in this case
x, y, and z) was selected.
After the trusts were created from domain w, the trusts were verified. Administrators on domain
w could "verify" the trusts (using admin accounts created for them on the three trusted domains).
Since everything looked good (domain w shows up as an incoming trust for the other three domains), permissions for specific users on domains
x, y, and z were granted for a share in domain
w.
Only... that didn't happen. When attempting to change permissions on the share, administrators were able to change the working domain directory to either
x, y, or z... but searching returned zero results. Zilch.
*It should be noted that this scenario has been in place for quite some time now, and that all groups/users previously defined on the share (that belong to the three domains trusted by domain
w) now all show up as SIDs.
When attempting to verify (validate) the incoming trust on any of the three domains, the error "Windows cannot find an Active Directory Domain Controller for the domain.w.com domain. Verify that an AD DC is available and then try again."
is returned.
Pinging domain.w.com returns the correct address. Direct pings to both domain controllers on domain w
is also working. Domain w can also do the same pings that I just listed to all three other domains with correct results.
There is no firewall in between these forests.
I am leaning towards a DNS or AD issue on the domain w side. This all occurred at once on the same day last week, and no changes were made on
x, y, or z. Of course... domain
w is another entity and they are saying they have no clue why its not working.
Questions:
Should I be able to verify the trust from x, y, or
z to domain w?
Why cant domain w see the users/groups in the other domains?
Why does domain w validate the trust if the other three domains cant?
Could this be caused by some setting in GPO having to do with LDAP security, signing requirements, or authentication settings?
Any help is much appreciated.
Chris

Yes, this is related to DNS, from what you describe.
The simplest way to configure this is to go to EACH dns server on both sides of the trust and configure it for a conditional forwarder of the others dns zone.
http://www.techrepublic.com/blog/windows-and-office/configuring-dns-forwarders-to-support-windows-server-2003-forest-trusts/501/
Unless you have a root dns server for all four zones already.
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.

Set-up of a Forest Trust - Unique situation

I am in need of advice on how to setup a forest trust between to separate, but similar forests.
My AD server is Server 2012R2, their AD server is Server 2008R2.
We are a small community college in the process of separating from our parent university, current the parent university has AD services for both domains ( theirname.edu and ourname.edu) I have built a completely new & separate AD server on a different
network using the same ourname.edu as the parent university is currently using.
Is it possible to setup a forest trust between the NEW ourname.edu and the old ourname.edu?
We are trying to get the NEW AD server up and running so as that it can be fully functional by users, also this trust is so we can migrate our student & employees user data from the OLD AD to our NEW AD using ADMT tool or something similar.

You can't create a trust between two domains/forest with the same name. How would the client know where to go to when referencing the name?
One thing to consider is a radical pruning situation. You could introduce a new server in the theirname.edu and promote it as a new DC. Then physically remove it from the domain and
NEVER all it to talk to the theirname.edu ever again. In the theirname.edu do a metadata cleanup of this recently promoted DC to remove all references of the DC.
http://blogs.dirteam.com/blogs/paulbergson/archive/2009/06/09/active-directory-cleanup-the-most-common-question-i-see.aspx
Now sieze all FSMO roles on the DC you just removed and consider this the first DC in your forest. Go back within this forest and do a metadata cleanup of all the old DC's.
You now have a duplicate forest that should be cleaned up removing all users and computers that didn't transfer from the original domain. The old domain should also cleanup all unused accounts and computers as well.
Just be aware that pruning isn't supported by Microsoft, but this is a known practice in mergers and divestures:
http://technet.microsoft.com/en-us/library/mergers_acquisitions_active_directory_prune_and_graft_restructuring_support_limitations(v=WS.10).aspx
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.

Forest Trust RPC timeout across MPLS

Hi, I am having trouble setting up a Forest trust between two networks. The issue "seems" to be RPC timeout (i see RPC age-out on firewall) but i'm now wondering if it's actually the LDAP or KErberos thats failing first.
I have read that RPC needs to have the same path outgoing as incoming otherwise you can get SYN-ACK problems (especially through a firewall). So i need to try and work out why it doesnt work. It is laid out something like this.
Network 1 (domain BOB) (server 2008 R2 at domain functional level 2003)
Site1,Site2 and Site3 all connect to each other via Site-To-Site link provided by 3rd party. They all egress at Site1's ISA Firewall in a normal 3 leg perimeter config. All works fine
Network 2 (domain RITA) (server 2008 R2 at domain functional level 2003)
SiteA,B,C and D all connecto to each other over 3rd party MPLS (essentially Gig ethernet)
Site1 and SiteA are on the same premises in the same room. There is a spare NIC on the ISA server. So i configured the ISA with a NIC in the same subnet as SiteA (RITA domain) - ie i plugged RITA into BOB. I configured the ISA for routing. Allow ANY ANY
internal to RITA and ANY ANY RITA to internal
I set up conditional forwarders on both domains pointing at each other and can ping everything from the other sites. DNS is working fine. I can RDP across sites to each other's DCs. From a "network" point of view it all looks good (though in the
back of my mind i cant rule out the site to site or the MPLS links)
When i try and create the trust it fails very quickly with "Cannot Continue. The trust relationship cannot be created because the following error occurred: The operation failed. The error is: The remote procedure call failed"
I can do a portqry and see all RPC comms looks good
In ISA and another firewall i tried i can see the RPC ageing out. Have tried wireshark but hard to see whats going on
I used another server in the BOB domain and dcpromo'd it to a new domain in that subnet and tried setting up a trust. worked first time
Similarly i did the same at the RITA side and that worked too.
THere are no errors in DNS or the event logs on either side to suggest anything is failing. i tried verbose DNS logs but couldnt really follow them.
Help!! Thanks

Hi,
To verify if this is a network issue, please try to perform a network capture on the servers in both side.
We can use "IPv4.Address==xxx.xxx.xxx.xxx" to filter the traffic between the servers. Then compare the capture data from the servers. If all the packets have been forwarded, it should not be caused by network.
To download Network Monitor, please click the link below:
http://www.microsoft.com/en-hk/download/details.aspx?id=4865
About the question related to Directory Services, to get better help, please post your questions on the DS forum.
Here is the address:
https://social.technet.microsoft.com/Forums/windowsserver/en-US/home?forum=winserverDS
Best Regards.
Steven Lee Please remember to mark the replies as answers if they help and unmark them if they provide no help. If you have feedback for TechNet Support, contact [email protected]

Alternative UPN & Forest Trust.

Hi all!
I have 3 domain:
main.local
child.main.local (child of main.local)
test.local (new forest)
In "main.local", under Active Directory Site & Services, i defined 2 UPN:
"mycorp.com" & "child.mycorp.com"
I used "mycorp.com" as alternative upn for users in "main.local"
Then I used "child.mycorp.com" as alternarive upn for users in "child.main.local"
Now I'd like to trust "main.local" with "test.local" and use users in "*.main.local" with their alternative upn.
Example:
[email protected] should login in test.local with it's upn.
[email protected] shoud login in test.local with it's upn.
* 02/26/2014 correction.
I made a Forest Transitive Trust with one direction and all routed UPN suffix are enable and don't have conflict, but I can't logon using *.mycorp.com Alternative UPN.
Where I had my mistake?

Hi, Vivian,
I'm sorry, I should post my question after sleeping...
Just few hints.
I'm working with Windows Server 2012 R2 and it's a lab/test environment.
I read both articles you link about hundred time in last few days and all my configuration are like described.
I'l try to recap my situation and be more clear:
Forest A:
Domain: main.local (Parent)
Alternarive UPN: mycorp.com, child.mycorp.com
Domain: child.main.local (Child)
Alternative UPN: *came from parent domain"
Forest B:
Domain: test.local
Alternarive UPN: none.
Transitive Forest Trust between A & B Onedirection (Users in A can login/authenticate in B).
user1 is in Forest A/main.local
user2 is in Forest A/child.main.local
If I try to logon in "Forest B/test.local"as: MAIN\user1 or [email protected] everything it's ok and I can logon.
If I try to logon as: [email protected] it return me that user do not exist or password is wrong.
If I try to logon as: [email protected] it return me that user do not exist or password is wrong.
In "Active Directory Domain & Trust" under the propertie of the trust, under "Name Suffix Routing":
*.main.local (Enabled)
*.mycorp.com (Enabled)
But as I wrote, I can't logon using "*.mycorp.com" as suffix in truster domain, only "*.main.local" or "DOMAIN\user".

Auto Discovery in CUOM

I have installed CUOM 2.2 and am trying to monitor a Call manager 4.2 cluster. I have configured all Call Manager servers with the SNMP string and host in windows services.
When I run an Auto Discovery in CUOM with the Publisher as the Seed Device I expected all CCMs, VGs and Phones to be discovered however CUOM discovered the Publisher only.
Can anyone advise what I have missed?
Many Thanks
Pete

I think it seems like SNMP string issues. Please check at both CUOM and Device side for SNMP.
check
1. Network connectivity between CUOM and device
2. Check SNMP are working fine at device side.
3. Check SNMP configuration at CUOM
If there is problem and is fixed, please rediscover the device in CUOM.

Auto discovery between forest trust.

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