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Multiple Lync Server 2013 Installation - Same Forest

I work in an environment where we have a parent domain and a child domain.  I am in the child domain.  

We want to completely separate from the parent domain's lync implementation and thus run a setup in the child domain.  I am mocking this up where i have the following:

Parent AD domain:  Lync.local
Child Domain:  Fed.Lync.Local

Lync2013 is installed in the Lync.Local domain and is running...i have some lync clients that i can IM between in my lab.

When i go to publish my topology for the Fed.Lync.local domain i get an error (see attached).  It's almost like with Lync 2013 you can ONLY have one CMS.  I don't want this...i want to completely separate from the parent domain.  

Any idea how to get around this?
Topology-Error.png
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niaidsdt
Asked:
niaidsdt
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1 Solution
 
SreRajCommented:
Hi,

You cannot create multiple Lync Topology within the same forest. There could only be one Central Management Store in a forest.

Ref: http://social.technet.microsoft.com/Forums/lync/en-US/125f1c45-3ef4-492a-97b2-1132c89eb604/how-many-central-management-stores-cms-can-be-installed-in-a-forest

You can create a seperate Frontend Pool for your child domain. This will help you to seperate user accounts from parent domain. You will have to install Backend servers for this pool on the same domain.
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niaidsdtAuthor Commented:
What control do we lose if we HAVE to use the Parent domains CMS.  Sounds like we will not be able to make changes to our topology without their help.  Correct?

Any other things we lose control of?
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SreRajCommented:
Yes.. You will not be able to make changes to topology without help from parent domain admins. You will be having control over user management, which the parent domain too will be having. But you can seperate users from the parent domain pool.
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niaidsdtAuthor Commented:
Thanks SreRAJ.  I believe we will be going with setting up a resource forest just for Lync to get around this.
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