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This is my fourth post in the series of deploying a Lync 2013 HA environment.

In the previous article, we have been deploying SQL Server 2012, which we are going to use for a mirroring cluster in Lync 2013.

Before starting the Lync installation, we need to deploy a Lync file store. A Lync file store is a file share where Lync stores replication data, the address book, Conference content etc.

Because we are deploying a HA solution the file store should be deployed on a DFS share which replicates the data between two or more file servers. You could also deploy a File Server cluster.

I this post I will use a DFS share.

First you need either, an existing DFS infrastructure or you could create a new one on two or more servers.


In my setup, I have deployed two Windows 2012 servers, each with 1 cpu, 4 GB ram and 100 Gb disk space for the system drive and 200 Gb for the data drive where the file store will be placed.

In Server Manager, you will need to add a New Server Roles.

Select “DFS Namespaces” and “DFS Replication

When the installation has finished you create a filestore on each on the servers D: drive.

Right click the Filestore and select Properties.

Select “Advanced Sharing

Give the directory a Share name and the select permissions.

Give the below groups Full Control to the Share

Select OK twice

On the Security tab add the below group with full control

Close the Properties box and remember to do it on both servers.


Open DFS Management from the tools menu in Server Manager

Right click on Namespace and select “New Namespace”

Type the server name or browse for the first file server

Type a name for the Namespace

Click on “Edit Settings” and select “Administrators have full control…”.

Click on Browse and select the filestore share which you created before

Press OK and click Next

Use a Domain-based namespace

Click on Create

Close the installation when it is finished

The namespace has now ben created

Right click on the first server and select properties

Click on Share Permissions

Add the below group with full control and click OK

Right click on the Namespace you created and select “Add Namespace Server”

Browe for the second file server and filestore

When you press OK DFS will setup the second server

Edit the Share Permissions on the Second server as well


Next we need to setup replication between the two servers.

Right clict on Replication and select “New Replication Group”


Select Next

Type a name for and press Next

Add the two file servers and press Next

Select Next

Select Next

Select one of the file servers to be the primary and press Next

Click Add and select the filestore share and press Next

Click Edit

Browse to the filestore on the second file server and select OK

Click Create

When it is finished you can close the wizard


You have now created a DFS file share we can you in out Lync 2013 HA environment.

In my next post I will cover the Lync installation where we use our new DFS share and the SQL 2012 Mirroring Cluster.



Lync 2013 High Availability

Part 1: http://exchangepro.dk/2013/08/28/install-a-sql-2012-mirroring-cluster-for-use-with-lync-2013-part-1/

Part 2: http://exchangepro.dk/2013/08/29/install-a-sql-2012-witness-server-for-use-with-lync-2013-part-2/

Part 3: http://exchangepro.dk/2013/09/01/configure-a-sql-2012-mirroring-cluster-for-use-with-lync-2013-part-3/

Part 5: http://exchangepro.dk/2013/09/19/prepare-your-servers-for-lync-server-2013-ha-part-5/

Part 6: http://exchangepro.dk/2013/09/21/creating-the-lync-server-2013-ha-topology-part-6/

Part 7: http://exchangepro.dk/2013/09/30/install-the-first-frontend-server-part-7/

Part 8: http://exchangepro.dk/2013/10/06/update-the-frontend-server-part-8/

Part 9: http://exchangepro.dk/2013/10/13/install-the-office-web-servers-part-9/

Part 10: http://exchangepro.dk/2013/10/21/deploy-the-director-servers-in-lync-2013-ha/

Part 11: http://exchangepro.dk/2013/10/25/install-the-access-edge-ha-servers-part-11/

Part 12: http://exchangepro.dk/2013/11/05/deploy-reverse-proxy-using-kemp-hardware-load-balancer-part-12/

Part 13: http://exchangepro.dk/2013/11/14/adding-additional-frontend-servers-to-lync-ha-part-13/

Part 14: http://exchangepro.dk/2013/11/26/setup-load-balancers-for-the-internal-lync-servers-part-14/

Part 15: http://exchangepro.dk/2013/11/26/load-balance-the-office-web-apps-server-part-15/

Part 16: http://exchangepro.dk/2013/11/26/load-balance-the-lync-frontend-web-services-part-16/

Part 17: http://exchangepro.dk/2013/11/28/load-balance-the-lync-frontend-services-part-17/

Part 18: http://exchangepro.dk/2013/12/15/load-balance-the-lync-director-servers-part-18/

Part 19: http://exchangepro.dk/2013/12/15/load-balance-lync-access-edge-internal-nic-part-19/

Part 20: http://exchangepro.dk/2013/12/29/load-balance-lync-access-edge-external-nic-part-20/


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