How to troubleshoot OCS Mediation server Quality of Service Event ID 25022http://blogs.technet.com/b/daveh/archive/2009/01/25/how-to-troubleshoot-ocs-mediation-server-quality-of-service-event-id-25022.aspx  This week I accepted a case escalation out of Microsoft EMEA which involved the Quality of Experience monitoring and reporting component of Office Communications Server 2007. Knowing absolutely nothing about QoE, I downloaded the OCS 2007 Qualityen-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)