Ho do I point Lync 2010 to UM in Exchange 2013 ? (migrating from exchange 2010)

Posted on 2015-01-02
Medium Priority
Last Modified: 2016-06-20

How do I tell Lync 2010 to point to the Auto-attendant in the Unified Messaging in my new Exchange server 2013?  I have both Exchange 2013 and Exchange 2010 working under the same organization. Also,I have added the new Exchange server under the trusted Application servers in the Lync Topology Builder.
Question by:M Ali
LVL 11

Expert Comment

ID: 40528055
Please have a look at this below link:
Configure Lync Server 2010 to Work with Unified Messaging on Microsoft Exchange Server

This will help you
LVL 11

Expert Comment

ID: 40528061

Author Comment

by:M Ali
ID: 40528111
What I can see is the UM settings, Dial plans, Auto-attendants  and UM IP Gateways are global to the Exchange organization, the settings were automatically populated in My new Exchange server 2013 and they match the UM settings that I see in my old Exchange 2010. My question is how Does Lync decide which of the two Exchange servers (2010 and 2013) to send the call to for answering the calls(by the auto-attendant)? and is there a setting to force the calls to go one  exchange server I specify ?
LVL 31

Accepted Solution

Gareth Gudger earned 2000 total points
ID: 40528817
Hey M Ali,

You need to assign the Exchange 2013 servers to the SIP dial plan. More info in this link.

Expert Comment

by:Mai Ali (MVP)
ID: 40528987
If UM is coexistence with Exchange 2010 and Exchange 2013, and configure as high availability. Lync will send call to both and which is active if another server is down.

Featured Post

Easily manage email signatures in Office 365

Managing email signatures in Office 365 can be a challenging task if you don't have the right tool. CodeTwo Email Signatures for Office 365 will help you implement a unified email signature look, no matter what email client is used by users. Test it for free!

Question has a verified solution.

Are you are experiencing a similar issue? Get a personalized answer when you ask a related question.

Have a better answer? Share it in a comment.

Join & Write a Comment

There are literally thousands of Exchange recovery applications out there. So how do you end up picking one that’s ideal for your business & purpose? By carefully scouting the product’s features, the benefits it offers you, & reading ample reviews f…
Configure external lookups on for external mail flow on Exchange 2013 and Exchange 2016.
The video tutorial explains the basics of the Exchange server Database Availability groups. The components of this video include: 1. Automatic Failover 2. Failover Clustering 3. Active Manager
Planning to migrate your EDB file(s) to a new or an existing Outlook PST file? This video will guide you how to convert EDB file(s) to PST. Besides this, it also describes, how one can easily search any item(s) from multiple folders or mailboxes…

624 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question