Your customer recently installed Microsoft Lync Server 2013 in his company network and he is migrating users from Office Communications Server (OCS) 2007 R2. Some users who have been moved to Lync server but still have the OCS client installed report that they receive the following error when trying to connect: "Microsoft Office Communicator 2007 R2 is not a version that can be used to sign in to the server. Please contact your system administrator to get the required version." You need to ensure that Microsoft Office Communicator 2007 R2 clients can connect to the Lync server. What are two possible ways to achieve this goal? (Each correct answer presents a complete solution. Choose two.)

• A. Run the Set-CsClientVersionConfiguration -Enabled $false cmdlet.
• B. Install the latest Microsoft Office Communicator 2007 R2 update.
• C. Run the Get-CsClientVersionPolicyRule | Where-Object {$_.UserAgent -eq "CPE"} | Set- CsClientVersionPolicyRule -MajorVersion 0 -MinorVersion 0 - BuildNumber 0 -Action Allow cmdlet.
• D. Enter a new registry entry on the client computers: HKEY_CURRENT_USER\Software\Policies\Microsoft\Communicator Name: DisableServerCheck Type: DWORD Value: 1 (00000001)

DRAG DROP You support Microsoft Lync Server 2013 servers for an international company. You enable the Enhanced 9-1-1 (E9-1-1) emergency notification feature for users in a New York office. The users report that Lync prompts them to enter a location. You need to configure Lync to populate location information automatically. Which three steps should you perform in sequence? To answer, move the appropriate three actions from the list of actions to the answer area and arrange them in the correct order.

You support a Microsoft Lync Server 2013 Enterprise pool deployed in a high availability configuration for Back End Servers named Backend1 and Backend2. You execute the Get-CSDatabaseMirrorState cmdlet and discover the following errors. WARNING: Cannot connect to database server "BackEnd2.contoso.com".Message: A network- related or instance-specific error occurred whileestablishing a connection to SQL Server. The server was not found or was notaccessible. Verify that the instance name is correct and that SQL Server isconfigured to allow remote connections. (provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server)DatabaseName : rtcabStateOnPrimary : PrincipalStateOnMirror : StatusUnavailableMirroringStatusOnPrimary :synchronizedMirroringStatusOnMirror :DatabaseName : rtcxdsStateOnPrimary : PrincipalStateOnMirror : StatusUnavailableMirroringStatusOnPrimary :synchronizedMirroringStatusOnMirror You need to resolve the connectivity issue and bring up the mirror databases to the synchronized state between the Back End Servers. What should you do?

• A. Run the Test-CsDatabase cmdlet.
• B. Run the Invoke-CsPoolFailOver cmdlet.
• C. From the Front End Server, create the inbound rule on the firewall.
• D. From the mirror Back End Server, create the inbound rule on the firewall.

You support a customer whose network environment includes Microsoft Lync Server 2013. Some devices run Lync Phone Edition and others run Lync soft clients. Lync soft client users report that they experience voice quality problems with other Lync soft client users. Lync Phone Edition users are not affected. You need to prioritize voice traffic for Lync soft clients to match the default Quality of Service (QoS) configuration of the Lync Phone Edition users. What should you do?

• A. Create a Group Policy with VoiceDiffServTag set to 40.
• B. Create a Group Policy with VoiceDiffServTag set to 0.
• C. Create a Group Policy with Voice 8021p set to 0.
• D. Create a Group Policy with Voice 8021p set to 40.