UC Managed API 3.0 with Lync Server 2010
If you are a developer using the Unified Communications Managed API (UCMA) 3.0 with Lync Server 2010, you
may need to add your workstation to a pool of trusted application endpoints so you can debug from your developer environment.
Nicholas Fish, Software Development Engineer in Test on the Lync team, answers these related questions: What is a trusted application endpoint? Why do I need a trusted application pool? How do I provision all that? How do I verify it worked? How do I configure my application to use the trusted application endpoint in Visual Studio 2010?