M8 MRAT

Question 1

What versions of Exchange UM support integration with Lync Server 2010? Are hosted offerings supported?

Answer 1

Exchange Server 2007 SP2 or later. Yes, hosted offerings are supported

Question 2

What are the various levels of VoIP security available in Exchange UM? If Lync Server 2010 is encrypting both signaling and media, what is the appropriate setting for VoIP security in Exchange UM?

Answer 2

The levels of VoIP security include: Secured, SIPSecured, and Unsecured. The appropriate setting for VoIP security in Exchange Unified Messaging if Lync Server 2010 is encrypting both signaling and media is Secured.

Question 3

What are the high-level steps for configuring Exchange UM integration?

Answer 3

The high-level steps for configuring Exchange UM are: 1) Create an Exchange Unified Messaging SIP dial plan; 2) Run exchucutil.ps1; 3) Configure a Lync Server 2010 dial plan; and 4) Run ocsumutil.exe.

Question 4

What permissions are required for most UM components and features?

Answer 4

The permissions required for most UM components and features are Organization Management and UM Management.

Question 5

Calls to Exchange UM cannot be completed.

Answer 5

Ensure that the VoIP security settings are set appropriately given Lync Server 2010 configuration. Ensure that you are running Exchange Server 2010 SP1 or that the dial plan names match

Question 6

Calls to Exchange UM by remote users are inconsistent.

Answer 6

Ensure that Exchange Server 2010 SP1 is installed or that the Edge services are hardware load-balanced.

Question 7

Fabrikam currently has a contract with Office365.com for hosted Exchange services. What needs to be configured for Lync Server 2010 to use hosted Exchange UM? Does anything need to be done per-user?

Answer 7

New-CsHostingProvider* needs to be run on the server; Set-CSUser needs to be run per-user.

Question 8

Fabrikam has deployed Lync Server 2010 with DNS load balancing.Several users operate remotely. Fabrikam currently has Exchange Server 2003 in place and wants to deploy Exchange UM. What version of Exchange must Fabrikam upgrade to?

Answer 8

Exchange Server 2010 SP1

Question 9

Wingtip Toys has deployed Lync Server 2010 with three sites and five pools. There are no conflicting extensions. How many UM IP gateways are required to connect to Exchange UM? How many UM IP dial plans are required to connect to Exchange UM?

Answer 9

5 IP gateways, one IP dial plan.

Question 10

Supplement or modify the following best practices for your own work situations:

Answer 10

1. Exchange UM servers are less sensitive to latency than Mediation servers. If you cannot put your
   Exchange UM server in the same location as the PSTN connectivity, opt for geographical distance
   between the Mediation server and Exchange UM server rather than between the Mediation server
   and PSTN drop-off.
2. For optimal security, configure Lync Server 2010 to require encryption of signaling and media, and set
   Exchange UM VoIP Security to Secured.
3. For the broadest compatibility, leave Exchange UM configured to record voicemail in MP3 format. For
   maximum compression, configure Exchange UM to record voicemail in WMA format.

Question 11

The Exchange Server 2010 UM

Troubleshooting Tools

Answer 11

Acmdlet that provides a great deal of troubleshooting information
about Exchange UM.

Question 12

The Exchange UM Test Phone

Answer 12

Provides a way to call directly into Exchange UM to test various pieces
of functionality.