You support a customer whose network environment includes Microsoft Lync 2013 deployed in a
datacenter that has two pools, named PoolA and PoolB. Both PoolA and PoolB have Microsoft Lync
Server 2013 installed. You use the Lync Management Shell for all administrative actions. You run the
Invoke-CsPoolFailover PowerShell cmdlet and you receive the following message:
Invoke-CsPoolFailOver: This Front-end pool “poolA.contoso.com” is specified in topology as the next
hop for the Edge server. Failing over this pool may cause External access/Federation/Splitdomain/XMPP features to stop working. Please use Topology Builder to change the Edge internal
next hop setting to point to a different Front-end pool, before you proceed.
You need to fail over PoolA only.
What should you do?

A.
Run the Get-CsDatabaseMirrorState cmdlet, and then run the InvokeCSManagementServerFailover PowerShell cmdlet.

B.
Run the Set-CsAccessEdgeConfiguration cmdlet.

C.
Run the Set-CsEdgeServer PowerShell cmdlet.

D.
Run the Set- CsAVEdgeConfiguration cmdlet