Monday, January 28, 2013

Can I Install Lync Server 2010 in a Native Lync Server 2013 Environment?

With a background in Exchange Server, you always had to be careful about installing new versions or decommissioning the last server of an older version within an environment.  So I was wondering if it was possible to install/introduce a Lync Server 2010 Front-End server into a completely native Lync Server 2013 environment (an environment that has never had Lync Server 2010 in it).  Also, if it is possible, what is the experience and is it actually functional.

Short Answer: YES it is possible

My Environment:

  • Domain Controller – Windows Server 2012
  • Lync Server 2013 SE – Windows Server 2012
  • Exchange Server 2013 – Windows Server 2012
  • Office Web Apps 2013 – Windows Server 2012

Current Topology:

Lync Native - TB before

Lync Native - CP before

Adding a Lync Server 2010 SE server in the Topology Builder and published:

Lync Native - TB After

I have prepped a server for the Lync Server 2010 SE and installed all pre-req’s.  Starting the Deployment Wizard for the Lync Server 2010 shows that Active Directory is already fully prepared!

Lync Native - 2010 DW

I won’t bore you with the Lync Server 2010 install, but you can see that the Lync Control Panel now shows both 2010 and 2013 in the environment:

Lync Native - CP after

Now it is time to rehome some users to the Lync Server 2010 pool and test things out:

Lync Native - CP users

Looks like everything is working:

Lync Native - test

This post explored whether Lync Server 2010 could be introduced into a native Lync Server 2013 environment.  The installation went smooth and seems like all functionality works as expected.


  1. As it is emphasized in the Lync 2013 migration document, you must not use the Lync 2010 topology builder after Lync 2013 has been introduced to the environment, so in your example you should also make a note, that the topology was updated using the 2013 version of the tool, not the version 2010.

  2. Hi
    have you seen a guide describing how to completely take away Lync 2013 from a production environment?

  3. EXCELLENT information. Your directions are clear and concise, and easy to follow. Thanks for your hard work in posting this info.

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