Microsoft-Lync 2013 Depth Support Engineer Set 3

You support a customer whose network environment includes Microsoft Lync Server 2013 Standard Edition deployed with an Edge Server that is connected to the Internet. A user reports that when he tries to share a Microsoft PowerPoint presentation in a Lync conference, external users receive the following error message: "Some sharing features are unavailable due to server connectivity issues." You ask the customer to run the Get-OfficeWebAppsFarm cmdlet on the Office Web Application Companion (WAC) server. He provides the following result: You need to ensure that external users are able to share and view PowerPoint presentations in Lync meetings. What should you do?

You support a customer whose company network includes Microsoft Lync Server 2013 with web conferencing deployed at a main site named Washington and a branch site named Redmond. All users have Lync 2013 and Microsoft Outlook 2013 installed. UserA and UserB are both Lync-enabled users at your customer's main site. UserA has the Global conferencing policy and the Washington meeting configuration assigned to his account. UserB has the Redmond conferencing policy and the Global meeting configuration assigned to his account. In online meetings that UserA schedules, users can collaborate using videoconferencing. In online meetings scheduled by UserB, videoconferencing is not available. You need to determine why videoconferencing is unavailable in UserB's meetings. Which cmdlet should you run from the Lync Server Management Shell?

You support a customer whose Microsoft Lync Server 2013 environment includes: A user reports that his attempts to join an online meeting by clicking the Join Online Meeting link are unsuccessful. Your need to troubleshoot the Join Online Meeting functionality from this workstation without using the installed Lync 2013 client. You need to achieve this goal by using the least amount of administrative effort. What should you do?

You support a customer whose network environment includes Microsoft Lync Server 2013 Standard deployed with an Edge Server that is connected to the Internet. Users are able to share screens remotely during conference calls. However, when they attempt to upload a Microsoft PowerPoint presentation, the sharing attempt fails with an error. You need to ensure that users are able to share PowerPoint presentations during Lync conference calls. What should you do?

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?

You support a customer whose network environment includes Microsoft Lync Server 2013 Enterprise, with two Front End Servers and two Back End Servers. The Back End Servers are deployed in a high availability configuration. You create a Front End pool named pool.contoso.com and implement DNS load balancing for client access to the Lync servers. Your internal DNS records have the following configuration: _gc._tcp.contoso.com SRV priority 0, weight 100, port 3268 dc1.contoso.com_ldap._tcp.contos.com SRV priority 0, weight 100, port 389 dc1.contoso.com_kerberos._tcp.contos.com SRV priority 0, weight 100, port 88 dc1.contoso.com_sip._tls.contoso.com SRV priority 0, weight 0, port 5061, pool.contoso.com FrontEndServer1 A 192.168.1.10FrontEndServer2 A 192.168.1.11BackEndServer1 A 192.168.1.20BackEndServer2 A 192.168.1.21Pool01 A 192.168.1.10Pool01 A 192.168.1.11 Your Lync 2013 clients fail to sign in automatically. The trace log of failed sign-in attempt is as follows: INFO :: QueryDNSSrv - DNS Name[_sipinternaltls._tcp.contoso.com]ERROR :: HRESULT failed: 80072726 = HRESULT_FROM_WIN32(::ShimWSAGetLastError()) . Failed to convert string IP to SOCKADDRERROR :: ResolveHostNameUsingGetAddrInfo - getaddrinfo(pool.contoso.com) failed WARN :: ResolveHostName - getaddrinfo failed for pool.contoso.com ERROR :: ResolveHostNameUsingDnsQuery - DnsQuery(pool.contoso.com) failed WARN :: ResolveHostName - DNS lookup failed for pool.contoso.com ERROR :: ResolveHostName - Name resolution for pool.contoso.com failedERROR :: ResolveHostSyncResolveHostName failed ERROR :: GetDnsResults - did not get any resultERROR :: QueryDNSSrvGetDnsResults query: _sipinternaltls._tcp.contoso.com failed ERROR :: DNS_RESOLUTION_WORKITEM::ProcessWorkItemResolveHostName failed You need to ensure that internal Lync 2013 clients can sign in automatically. You also need to ensure that internal traffic is load balanced across the two Front End Servers. What should you do?

You support Microsoft Lync Server 2013 in your company network. Your company has four buildings on a single site. A user reports that when she calls users in another building, the call quality is poor. You receive the Quality of Experience (QoE) report: Capture device: Headset MicrophoneRender device: Headset EarphoneMicrophone timestamp error: 0.02msEcho percent microphone in: 15.21%Codec: SIRENAudio FEC: FalsePacket utilization: 32701Avg. packet loss rate: 10.21%Avg. jitter: 23msAvg. round trip: 62msAvg. network MOS: 3.71Avg. network MOS degradation (jitter):0.00%Avg. sending MOS: 2.97Avg. listening MOS: 3.17Receive noise level: -56dBoV Which of the following values is outside acceptable limits?

You support a customer who administers Microsoft Lync Server 2013 Enterprise servers in his company. The pool named lync.contoso.com is configured with the session initiation protocol (SIP) domain contoso.com. The internal split-DNS domain contoso.com contains the following records: _gc._tcpSRV priority 0, weight 100, port 3268 dc1.contoso.com_ldap._tcpSRV priority 0, weight 100, port 389 dc1.contoso.com_kerberos._tcpSRV priority 0, weight 100, port 88 dc1.contoso.com_sipinternal._tcpSRV priority 0, weight 0, port 5061, lync.contoso.com _sip._tlsSRV priority 0, weight 0, port 5061, lync.contoso.com EnterpriseCA A 192.168.10.5Admin A 192.168.10.10Lync A 192.168.10.10Lyncdiscoverinternal A 192.168.10.10Exchange2010 A 192.168.10.4OWA A 192.168.10.4DC1 A 192.168.10.3Sip A 192.168.10.10 Users who are running Lync Mobile on their mobile devices report that when they attempt to retrieve calendar information, they receive an error that references a Microsoft Exchange Web Services connectivity issue. You need to ensure that users are able to receive calendar information from Lync Mobile devices. What should you do?