Jens Trier Rasmussen

The odd bit of information about Lync Server 2013, Lync 2010, Exchange 2013, SharePoint Server 2013, Exchange 2010 SP1, OCS 2007 R2, Exchange 2010 and OC 2007 R2
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  • Blog Post: Troubleshooting the Microsoft Call Quality Methodology Scorecard for Lync Server

    Jens Trier Rasmussen [MSFT]
    [Updated August 8, 2014] In this post, I will show some of the common problems people run into when using the CQM Scorecard and how to fix them. Microsoft Visual Basic for Applications – Compile error: Method or data member not found You might see the error message shown below. The...
    on 2 Jul 2014

  • Blog Post: Queries from our TechEd 2013 session

    Jens Trier Rasmussen [MSFT]
    Sasa and I presented this session at TechEd 2013 in Madrid. In the deck we show the results of running 3 custom SQL queries against the QoE data. The query from slide 44 (Individual Poor Streams Wired to MS and AVMCU per Subnet v13.txt) and the query from slide 49 (Individual Poor Streams Wireless to...
    on 26 Jun 2013

  • Blog Post: Diagnosing network health issues using QoE data

    Jens Trier Rasmussen [MSFT]
    In this I discussed how to view network health trends using QoE data. In this post I'll describe some queries you can use to help you diagnose where you might have network health issues in your Lync deployment. The first query is the Streams Statistics query. The query will tell you the maximum, standard...
    on 11 Jun 2013

  • Blog Post: Call Quality Methodology (CQM)

    Jens Trier Rasmussen [MSFT]
    During the last 6 months my colleagues Andrew, Brandon, Kent and I have been busy documenting the Call Quality Methodology or CQM as we call it. CQM is a holistic way to systematically define and assert call quality. CQM divides a Lync implementation into ten discrete areas that impact quality, defining...
    on 23 Oct 2013

  • Blog Post: How many sessions and streams do we see in QoE for a conference?

    Jens Trier Rasmussen [MSFT]
    In QoE we store information about sessions and different type of media streams, but how many of these do we store for a conference scenario?   Let me answer that question by using the following scenario: July 11, 2013 tu14@contoso.dk drags tu26@contoso.dk and tu29@contoso.dk into a conference...
    on 11 Jul 2013

  • Blog Post: Viewing network health trends using QoE data

    Jens Trier Rasmussen [MSFT]
    Introduction In the newly published Networking Guide the authors, in Appendix B, discuss using custom queries against QoE data to manage audio call quality. They introduce the concepts of server-server reports, which present the network health of network paths between various types of Lync media servers...
    on 11 Jun 2013

  • Blog Post: How to determine network connection type in QoE queries?

    Jens Trier Rasmussen [MSFT]
    In many scenarios you are interested in knowing how a given caller or callee was connected to the network, i.e. was it a wired or wireless connection. The information is contained in the columns CallerNetworkConnectionType and CalleeNetworkConnectionType in the MediaLine table. It is then easy to use...
    on 11 Sep 2013

  • Blog Post: MediaLineLabel in Lync 2013 QoE

    Jens Trier Rasmussen [MSFT]
    The MediaLine table in the Lync 2013 QoE database contains a column called MediaLineLabel. The label specifies the media type related to the MediaLine. In Lync 2010 you have been used to seeing the values 0, 1 and 2 in the column. However in Lync 2013 you might find the additional values 3, 4, 5, 6,...
    on 1 Nov 2013

  • Blog Post: Working with device names in QoE data

    Jens Trier Rasmussen [MSFT]
    When you start working with device information in QoE you might find that there is an issue around the naming of devices. The different Lync client reports the name of the device used for capture and rendering in the QoE report sent to the Monitoring Server. However the name is based on the device...
    on 13 Jun 2013

  • Blog Post: What is the basis for classifying a call as poor in Lync 2013 QoE?

    Jens Trier Rasmussen [MSFT]
    In Lync 2013 we changed how we classify poor calls in QoE. The flag is called ClassifiedPoorCall and it is now available in the MediaLine table. It is moved here, because we now support classifying poor calls for audio, video and application sharing. The conditions we use to classify poor calls are...
    on 20 Sep 2013