Symptoms
Consider the following scenario:
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The cumulative update for Microsoft Lync Server 2010, Core Components that was released in October 2012 is installed in a Lync Server 2010 environment.
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You open a Call Leg Media Quality Report in the environment.
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You open a Call Leg Media Quality Trend Report and drill down to a trend. To do this, you click "Trend", and then you click a trend line in a graph such as the "Call volume" or "Poor call percentage" graph.
In this scenario, the report for the trend line is not displayed. Additionally, you receive the following error message:
The 'Filter_PeriodStart' parameter is missing a value
Cause
This issue occurs because Lync Server 2010 sets incorrect values for certain parameters when it tries to display the report for the trend line.
Resolution
To resolve this issue, install the following cumulative update:
2793350 Description of the cumulative update for Lync Server 2010, Core Components: March 2013
More Information
For more information about an update that enables Monitoring Server to create a Call Leg Media Quality Report in a Lync Server 2010 environment, click the following article number to view the article in the Microsoft Knowledge Base:
2736037 An update that enables Monitoring Server to create a Call Leg Media Quality Report in a Lync Server 2010 environment is available For more information about the cumulative update for Lync Server 2010, Core Components, click the following article number to view the article in the Microsoft Knowledge Base:
2740403 Description of the cumulative update for Lync Server 2010, Core Components: October 2012 For more information about the Call Leg Media Quality Report, go to the following Microsoft TechNet website:
