Edge server for Lync 2013

Hi,
I have a lync server 2013 in my enviroment. Now users are accessing lync 2013 internally. i want to allow external users to access lync services like web scheduler etc. how we can configure edge server for lync 2013.
Thanks

Hi,
To install Edge Server follow this step by step guide
http://social.technet.microsoft.com/wiki/contents/articles/16931.installing-lync-2013-edge-server.aspx
http://www.orcsweb.com/blog/cory-granata/installing-lync-2013-edge-server/
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Similar Messages

Upgrading AD Server for Lync 2013

I have now a Lync 2013 infrastructure deployed on an Active Directory infrastructure based on Windows Server 2003 including the servers, the domain functional level and forest functional level. We are planning to upgrade to Windows Server 2012.
My questions are:
1/ What are the impacts to my Lync 2013 infrastructure?
2/ Is there any documentation addressing the changes on the Lync Infrastructure in relation to AD upgrade?
3/ Anyone could share his/her experience?
Albert

Hi Albert,
Lync 2013 supports a domain functional level of Windows Server 2012 R2, Windows Server 2012, Windows Server 2008 R2, Windows Server 2008, or at least Windows Server 2003.
Hence when you introduce a Win2012 DC into the environment, it doesn't make any difference till you have the domain\forest Func Levels at Windows Server 2003.
Windows Server 2003 domain and functional levels of Active Directory are depreciated(soon to be removed) in Windows Server 2012 DC. So if you plan to remove the Windows 2003 and raise the FFL\DFL then you need to consider the questions you have
here.
What Happens Next?
Another common question: what impact does changing the Domain or Forest Functional Level have on enterprise applications like Exchange or Lync, or on third party applications? First, new features that rely on the Functional Level are generally limited to
Active Directory itself. Regardless, changing the Domain or Forest Functional Level should have no impact on an application that depends on Active Directory.
An application like Exchange uses Active Directory to store its objects, or to perform various operations, none of that functionality should be affected if the Domain or Forest Functional Mode changes. In fact, if your applications are also written to take
advantage of new features introduced in Active Directory, you may find that the capabilities of your applications increase when the Level changes.
The answer to the question about the impact of changing the Domain or Forest Functional Level is there should be no impact.
Lync 2013 FFL\DFL requirement
doesn't specify any additional features upon raising the levels beyond Win2003.
Just make sure you don't break the existing DC and have enough redundancy.
Supported in-place upgrade paths
Domain controllers that run 64-bit versions of Windows Server 2008 or Windows Server 2008 R2 can be upgraded to Windows Server 2012. You cannot upgrade domain controllers that run Windows Server 2003 or 32-bit versions of Windows Server 2008. To replace
them, install domain controllers that run a later version of Windows Server in the domain, and then remove the domain controllers that Windows Server 2003.
References:
https://technet.microsoft.com/en-us/library/gg412955(v=ocs.15).aspx
What is the Impact of Upgrading the Domain or Forest Functional Level?
Active Directory Domain Services support in Lync Server 2013
Regards,
Satyajit
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if you find my contribution useful or “Mark As Answer” if it does answer your question. That will encourage me - and others - to take time out to help you.

Do we need License for Lync 2013 Edge server?

Hello Team,
We are currently running Lync 2013 Standard Edition Server. We are planning to enable users for External access and planning to deploly Lync 2013 edge server.
1. Do we need License for Lync 2013 Edge server?
2. Any other client licenses needed?
Please advise.

Hi,
No you don't required any additional License in order to install Lync Edge server. the only license required at OS level i mean windows server licence in terms of Lync concern you don't require any additional License
check this
https://products.office.com/en-us/lync/microsoft-lync-licensing-overview-lync-for-multiple-users
http://lyncuc.blogspot.in/2013/02/lync-2013-licensing-guide-how-to.html
And for client also you don't require any additional license with your existing client license will work for externally as well
Whenever you see a helpful reply, click on Vote As Helpful & click on Mark As Answer if a post answers your question.

What is best recommendstion for DNS LB for lync 2013 Edge servers

What is best recommendation for DNS LB for lync 2013 Edge servers ?. We have F5 LB for edge and want to decide if we can go with DNS base LB for Edge servers.
Anil MCC 2011,ITIL V3,MCSA 2003,MCTS 2010, My Blog : http://messagingschool.wordpress.com

It will be better to Use Hardware Load balancing (F5).
If you choose to use DNS load balancing for a pool but still need to implement hardware load balancers for traffic such as HTTP traffic, the administration of the hardware load balancers is greatly simplified. For example, configuring the hardware load balancer
will be simpler as it will only manage the HTTP and HTTPS traffic, while all other protocols will be managed by DNS load balancing
Also for more info., you can check below links
http://technet.microsoft.com/en-us/library/gg615011.aspx
http://technet.microsoft.com/en-us/library/gg398634.aspx
Please remember, if you see a post that helped you please click "Vote As Helpful" and if it answered your question, please click "Mark As Answer"
Mai Ali | My blog: Technical | Twitter:
Mai Ali

Physical cpu to virtual cpu ratio for LYNC 2013 FE

what
should be the physical cpu to virtual cpu ratio for LYNC 2013 FE and Edge server, it is same like exchange 1:1 ?

Putting this here as well:
I don't believe this is documented anywhere. I typically see 6 cores, but I've run with 4 or 8 but in the end it's all about watching performance.
System Center Advisory for Lync can complain if it's not at least 8.
http://support.microsoft.com/kb/2877496
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SWC Unified Communications

IISARR URLS for Lync 2013 not working externally

Hello All,
Currently facing issue of opening lyncdiscover.domain.com from external.
I have created the server farm uing IISARR for Lync2013 & added 5 rules under the server farm as shown below:
meet.domain.com
dialin.domain.com
lyncdiscover.domain.com
owebapp.domain.com
When I tried browse all the above URL's none of the URLs are opening & showing below errors as attached screen shot:
Also when I tried test by using Lync 2013 Connectivity Analyzer showing below errors
SIP Uri: [email protected]
Logging test parameters:
User Name:
Discovery Type: Automatic Discovery
Network access: NetworkAccessInternal
Selected client: ApplicationLMX
Starting Lync server autodiscovery
Please wait; this test may take several minutes to complete...
Starting automatic discovery for secure (HTTPS) internal channel
lyncdiscoverinternal.domain.com can't be resolved by the DNS server. Skipping internal discovery.
For more information on DNS requirements for automatic discovery, please refer to http://go.microsoft.com/fwlink/?LinkId=278998
Starting automatic discovery for secure (HTTPS) external channel
Sending HTTP request to https://lyncdiscover.domain.com/[email protected]
Cookie found in autodiscover response: StatusCode: 500, ReasonPhrase: 'URL Rewrite Module Error.', Version: 1.1, Content: System.Net.Http.StreamContent, Headers:
Cache-Control: private
Date: Mon, 08 Sep 2014 11:51:26 GMT
Server: Microsoft-IIS/8.5
Content-Length: 5694
Content-Type: text/html; charset=utf-8
Autodiscover: SendRequest(): the URL https://lyncdiscover.domain.com/[email protected] couldn't be connected. Complete HTTP headers:\r\n Cache-Control: private
Date: Mon, 08 Sep 2014 11:51:26 GMT
Server: Microsoft-IIS/8.5
Couldn't connect to URL https://lyncdiscover.domain.com/[email protected]
Reason: Internal server error (HTTP status code 500)
System.Exception: Exception of type 'System.Exception' was thrown.
at Microsoft.LyncServer.WebServices.AutoDiscoverManager.TerminateAD(String mesg)
at Microsoft.LyncServer.WebServices.AutoDiscoverManager.<SendRequest>d__d.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at System.Runtime.CompilerServices.TaskAwaiter`1.GetResult()
at Microsoft.LyncServer.WebServices.AutoDiscoverManager.<TryNextUrl>d__3.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at Microsoft.LyncServer.WebServices.AutoDiscoverManager.<StartDiscoveryJourney>d__0.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at LyncConnectivityAnalyzerCore.Utilities.<RetrieveUserLocation>d__3e.MoveNext()
Server discovery failed for secured external channel against https://lyncdiscover.domain.com/
Starting automatic discovery for unsecure (HTTP) external channel
Sending HTTP request to http://lyncdiscover.domain.com/[email protected]
Cookie found in autodiscover response: StatusCode: 500, ReasonPhrase: 'URL Rewrite Module Error.', Version: 1.1, Content: System.Net.Http.StreamContent, Headers:
Cache-Control: private
Date: Mon, 08 Sep 2014 11:51:44 GMT
Server: Microsoft-IIS/8.5
Content-Length: 5765
Content-Type: text/html; charset=utf-8
Autodiscover: SendRequest(): the URL http://lyncdiscover.domain.com/[email protected] couldn't be connected. Complete HTTP headers:\r\n Cache-Control: private
Date: Mon, 08 Sep 2014 11:51:44 GMT
Server: Microsoft-IIS/8.5
Couldn't connect to URL http://lyncdiscover.domain.com/[email protected]
Reason: Internal server error (HTTP status code 500)
System.Exception: Exception of type 'System.Exception' was thrown.
at Microsoft.LyncServer.WebServices.AutoDiscoverManager.TerminateAD(String mesg)
at Microsoft.LyncServer.WebServices.AutoDiscoverManager.<SendRequest>d__d.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at System.Runtime.CompilerServices.TaskAwaiter`1.GetResult()
at Microsoft.LyncServer.WebServices.AutoDiscoverManager.<TryNextUrl>d__3.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at Microsoft.LyncServer.WebServices.AutoDiscoverManager.<StartDiscoveryJourney>d__0.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at LyncConnectivityAnalyzerCore.Utilities.<RetrieveUserLocation>d__3e.MoveNext()
Server discovery failed for unsecured external channel against http://lyncdiscover.domain.com/
None, AutoInternalDNSFail, AutoInternalSecureD, AutoInternalUnsecureD, AutoExternalSecureD, AutoExternalUnsecureD, ManualDNSFail, ManualSecureD, ManualUnsecureD, AuthBrokerInternalLMXCheckGET, AuthBrokerInternalLMXCheckPOST, AuthBrokerExternalLMXCheckGET, AuthBrokerExternalLMXCheckPOST,
MobilityMCXInternalLMXCheckGET, MobilityMCXInternalLMXCheckPOST, MobilityMCXExternalLMXCheckGET, MobilityMCXExternalLMXCheckPOST, LMXSIPServerInternalDNS, LMXSIPServerExternalDNS, MobilityUCWAInternalCheckPOST, MobilityUCWAExternalCheckPOST
Automatic discovery of the Lync server failed. Please verify the server requirements at http://go.microsoft.com/fwlink/?LinkId=278998
Microsoft Lync Connectivity Analyzer cannot analyze deployment readiness until a discovery test has completed successfully.
=============================================================================
NOTE : For my current Set Up for Lync 2013 please refer this link & kindly ignore the SQL archiving & monitoring issue for database mismatch version as it is resolved:
http://social.technet.microsoft.com/Forums/lync/en-US/032a8ef2-636d-40ae-a4f1-951e9a39999f/lync-2013-archiving-and-monitoring-sql-database-version-mismatch-issues?forum=lyncdeploy
Any help really appreciated
Regards
Anand S
Thanks & Regards Anand Sunka MCSA+CCNA+MCTS

Hi,
Please make sure there is no typos in the URL rewrite rule.
You can configure IIS ARR to display more information with the error with the following path:
Open IIS Manager –> Sites –> Default Web Site –> Error Pages –> Edit Feature Settings.
Select Detailed error
Then you can access simple URL again to check the full error message.
More details:
http://unifiedme.co.uk/2014/04/iis-arr-500-internal-server-error-get-meaning-full-info/
Note: Microsoft is providing this information as a convenience to you. The sites are not controlled by Microsoft. Microsoft cannot make any representations regarding the quality, safety, or suitability of any software or information found there. Please make
sure that you completely understand the risk before retrieving any suggestions from the above link.
Best Regards,
Eason Huang
Eason Huang
TechNet Community Support

SQL Mirroring Requirement (Witness server) in LYNC 2013

Hi Everyone,
We are designing a Highly Available solution of for LYNC 2013 and planning to add a witness server to the backed SQL server.
Following are my Queries.
1)For the witness server should the SQL server be dedicated to the LYNC infrastructure or it can be used to host other databases.
2)I am assuming the Witness Database should be in the same Domain?
3)What is the version of the SQL server that is supported as the Witness server, can this be the Free SQL express edition ?
Waiting for some replies :-)

1)For the witness server should the SQL server be dedicated to the LYNC infrastructure or it can be used
to host other databases.
It Can be used to host other database
2)I am assuming the Witness Database should be in the same Domain?
Yes
3)What is the version of the SQL server that is supported as the Witness server, can this be the Free SQL
express edition ?
http://technet.microsoft.com/en-us/library/gg398990.aspx
Please remember, if you see a post that helped you please click "Vote As Helpful" and if it answered your question please click "Mark As Answer" Regards Edwin Anthony Joseph

SQL Cluster requiremnt for Lync 2013

Hi
We are are planning to deploy Lync 2013 enterprise. Planning to use SQL cluster. Would like to clarify whether we must create a sepearte sql instance for Lync 2013 or can we use an existing shared instance to create a seperate database for Lync.
We prefer 2nd approach. Is there any issues or demerits using existing shared SQL instances?
Thanks and regards,
Aboo Arif

Hi AbooArif.
This kind of question is very common. Basically here is the Microsoft Documentation about it.
Database software support in Lync Server 2013
https://technet.microsoft.com/en-us/library/gg398990.aspx
This point is the important: "If you collocate Lync Server databases with other databases, we highly recommend assessing all factors that might affect availability and performance, as well as ensuring that, if one node fails, the remaining node can
handle the load. To verify failover capabilities, we recommend testing all failover scenarios."
We can say the following: It's recommended to use a separate SQL server for Lync, however collating Lync database with other SQL databases will work, but has an high probability of present some performance problems. Many customers prefer to use this option
considering the cost of SQL licenses.
It is important to consider all the hardware requeriments for the Lync Server BackEnd role:
https://technet.microsoft.com/en-us/library/gg398835.aspx because the normal issue when customers share the SQL server with other instances is due to performance issues. Also note
that if you have multiple front end pools, these cannot share a SQL server.
PLEASE REMEMBER, if you see a post that helped you please click "Vote As Helpful" and if it answered your question please click "Mark As Answered"

How to Install Ethical wall for Lync 2013

Hello!
So many times I've tried to installed Ethical wall in Lync Front end 2013 Server but I think m doing msticke the step am doing.....So can anyone tell where I'll get right docs to install step by step ethical wall for lync 2013
Yogi

The other competitive solution is from Devcentrics Technologies....
http://devcentrics.com/Home/DCF The product name is DC Stockade with following features;
Enables ethical wall in Lync deployment
Option to chose either users, group or VLAN based e-wall
Allow or block Federated domains
Allow or block PIC domains
Block or mask the profanity words as per compliance policies
Setup alert for violation(s)
Archiving & reporting of violations
User defined custom reports & an advanced dashboard
Options to integrate with SMS and service desk system
Role based access on the application
Easily configurable & web based user interface
Integrated with Active Directory
Auto IM Bot for ethical wall
Regards, DevC | Unified Communications Architect | www.devcentrics.com - A UC Partner

Certificate Requirement for Lync 2013 Standard Edition

I have successfully run the setup of lync 2013 standard edition now I am stuck due to certificates required for lync 2013. when I generate a csr. it show the subjected urls for that.
hostname.domain.com
sip.domain.com
diali.domain.com
meet.domain.com
admin.domain.com
lyncdiscover.domain.com
lyncdiscoverinternal.domain.com
im.domain.com (External URL)
so if I go for 3 party CA then I need 8 certicate only for internal lync. As I also need to connected federated partner and external user so I need Edge for again I need 3 more certificates
web.domain.com
a/v.domain.com
sip.domain.com
now when I go for these certificate it quit costly and I didn't understand why such certifcates required. can anyone help me to fix such requirement.
Or, what are the necessary url to which I buy 3 party CA rest leave as it is.
I also want to deploy Edge with single adopter as we have only one network so can anyone assist me to proceed it further.
Talha Faraz Malik

To save on the cost of your third party certificates, I would deploy an internal certificate authority to sign certificates for your internal front end. For your third party certificate, you would only need the SANs for the edge and for your
reverse proxy and as Edwin said, this can be a single cert with multiple SANs.
For example, for your edge you would need:
sip.domain.com
web.domain.com
You would not need A/V as this role does not require a SAN on your certificate. On the same certificate, which you could also use on your reverse proxy, you'd likely want the following FQDNs.
lyncdiscover.domain.com
im.domain.com (your external web services FQDN)
meet.domain.com
dialin.domain.com
You may also want to consider your internal web services FQDN and include the following so third party mobile devices can connect without needing a certificate installed:
im_internal.domain.com (your internal web services FQDN)
lyncdiscoverinternal.domain.com
I'm sure that's not entirely clear yet, so feel free to ask more questions or what the purpose of each is.
When you say Edge with a single adapter, you mean a single adapter in a DMZ or internal? You definably want two NICS, both in separate DMZs, but I've managed to get the edge working with a single adapter in a DMZ before. What you don't want is
the edge in your internal network.
Please remember, if you see a post that helped you please click "Vote As Helpful" and if it answered your question please click "Mark As Answer".
SWC Unified Communications
This forum post is based upon my personal experience and does not necessarily reflect the opinion or view of Microsoft, its employees, or other MVPs.

OWA 2013 watchdog system errors for Lync 2013 -

OWA Farm is configured on two 2012 servers. Lync 2013 installed on server 2012 as well.
I can access all services, internally and externally without issues on the client end.
However, my OWA farm machines are marked as Unhealthy per get-OfficeWebAppMachines.
The OWA Farm system Logs show multiple events related to source Office Web Apps Monitoring, event ID(s) 1004, 1010, 2004, & 2010.
What are the BroadcastServicesWatchdog_Wfe & AgentManagerWatchdog that are running, reporting these event codes, and where can it be managed?
The actual event codes
1004:
<?xml version="1.0" encoding="utf-16"?>
<HealthReport xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<HealthMessage>AgentManagerWatchdog reported status for AgentManagerWatchdog in category 'Recent Watchdog Reports'. Reported status: Machine health is Unhealthy</HealthMessage>
</HealthReport>
1010:
<?xml version="1.0" encoding="utf-16"?>
<HealthReport xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<HealthMessage>BroadcastServicesWatchdog_Wfe reported status for BroadcastServices_Host in category '3'. Reported status: Contacting Participant.svc failed with an exception: The remote server returned an error: (404) Not Found.</HealthMessage>
</HealthReport>
2004:
<?xml version="1.0" encoding="utf-16"?>
<HealthReport xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<HealthMessage>AgentManagerWatchdog reported status for AgentManagerWatchdog in category 'Recent Watchdog Reports'. Reported status: Machine health is Unhealthy</HealthMessage>
</HealthReport>
2010:
<?xml version="1.0" encoding="utf-16"?>
<HealthReport xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<HealthMessage>BroadcastServicesWatchdog_Wfe reported status for BroadcastServices_Host in category '3'. Reported status: Contacting Participant.svc failed with an exception: The remote server returned an error: (404) Not Found.</HealthMessage>
</HealthReport>

Yes, PPTs can be shared correctly; and the urls have been verified.
As to setting the http auth settings ~ this Farm isn't integrated with SharePoint, and is only in use for Lync 2013.
It is clear that these additional service executable , AgentManagerWatchdog, BroadcastServicesWatchdog, and BroadcastServicesWatchdog_Wfe
are from the OWA services to manage system health.
Where can they be configured, or worked with? They reiterate that
Reported
status: Contacting Participant.svc failed with an exception
Which leads to more alerts about the Unhealthy state of the machine. What is the "participant.svc" ?? that is cannot
contact? Is this internal to the OWA Farm, or is this a remote service connectivity check the Lync Front End servers?

Article for managing contacts and group for Lync 2013

I came across this article, but it says it's for Lync 2010. Is there an updated one somewhere for Lync 2013?
http://office.microsoft.com/en-us/communicator-help/manage-your-contacts-and-contacts-list-HA101835254.aspx#_Toc311106901

Hi
Check this link for Lync 2013
http://office.microsoft.com/en-in/videos/video-add-contacts-and-create-groups-in-lync-2013-VA104023099.aspx
http://office.microsoft.com/en-in/videos/redir/HA102828912.aspx?CTT=5&origin=VA104023099
http://office.microsoft.com/en-in/videos/redir/HA102832427.aspx?CTT=5&origin=VA104023099
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How to remove Central Management Server in Lync 2013

Hello,
I want to know how can I manually remove the Central management Server in Lync 2013.
I didn't see any information in the ADSEdit.
Thanks,
stmart

Have you followed: http://technet.microsoft.com/en-us/library/gg195614(v=ocs.14).aspx after that you can remove the databases: http://technet.microsoft.com/en-us/library/gg195656(v=ocs.14).aspx
Please mark posts as answers/helpful if it answers your question.
Blog
Lync Validator - Used to assist in the validation and documentation of Lync Server 2013.

Bandwidth required for Lync 2013 audio video call

Hi,
what is the required bandwidth required for lync 2013 audio video call from out side of company network. considering users will use owa integration with exchange 2013 for audio video call.
i tried with lync bandwidth calculator but could not figure it out.
actually i have some remote site where users have connectivity of 160 kbps only.

There are a number of variables such as call type and video resolution, but I would suggest using this table as a guide:
http://technet.microsoft.com/en-us/library/jj688118.aspx
For example for capacity purposes with a Lync peer-to-peer call you're looking at 57Kbps (86 with FEC)
If this helped you please click "Vote As Helpful" if it answered your question please click "Mark As Answer" | Blog
www.lynced.com.au | Twitter
@imlynced

OU For Lync 2013 Central Forest deployment when using GAL Sync

Hello,
We are attempting to set up Lync 2013 in a Central Forest configuration. We have a 2 way forest trust in place. The primary forest being A.com, the secondary forest being B.com. Exchange 2010 is deployed in both forests. Lync 2013 is deployed in forest A.com.
We currently have FIM 2010 installed, using GAL Sync between both forests. For GAL Sync, we have an OU in Forest A.com active directory called GALSync. There are currently contacts in that OU that correspond with the user accounts in forest b.com. Here's
my question:
When configuring FIM MA's for Lync 2013 Central Forest deployment, can I point the LCSCFG.xml file to the SAME GALSync OU we use for GAL Sync? Will it see the contacts already exist and just update with the necessary attributes needed to provision
the forest B.com users for Lync? Do I need to create a separate OU for the Lync MA to use? Or, am I going about this in the wrong way?
Any help you can provide will be greatly appreciated.
Thank you

Thanks for the reply Anthony
Almost right. The only difference is that the remote users will get the autodiscover url and the ews url from their local domain and dns.
Here is how it is setup:
Shared public namespace
mycompany.com (email address and sip address use this in both domains)
Central Forest (mycompany.com)
Lync 2013
Exchange 2013
Autodiscover url
autosdiscover.mycompany.com/autodiscover/autodiscover.xml
192.168.10.10
EWS Url
https://mail.mycompany.com/EWS/Exchange.asmx
192.168.10.11
Remote Forest (Fabrikam.com)
Lync 2010
Exchange 2010
Autodiscover url
autosdiscover.mycompany/autodiscover/autodiscover.xml
192.168.11.23
EWS Url
https://mail.mycompany.com/EWS/Exchange.asmx
192.168.11.24
User in Fabrikam login locally with their Fabrikam credentials. They have a Lync enabled contact in mycompany. There is a 2 way trust in place. They login to mycompany Lync fine.
When they do the autodiscover DNS lookup, they return the same autodiscover and EWS url, but they point to the local Exchange 2010 since their mailbox and user account still resides there and that is the system that the Fabrikam account has access to.
Autodiscover works fine for Outlook.
I will take a look at Fiddler

Edge server for Lync 2013

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