CsClsLogging error 20000 on Lync 2013

When we try to Start-CsClsLogging -Scenario “AlwaysOn” -Pools poolname.domain.com we got these errors   Failed on 3 agents Agent – servername1.domain.com, Reason – Error code – 20000, Message – Unknown error – The communication object, System.ServiceModel.Channels.ServiceChannel, cannot be used for communication because it is in the Faulted state. CommunicationObjectFaultedException. Please refer CLS logs for details. Agent – servername2.domain.com, Reason –…

Exchange, Domino, Antivirus and Message Size Limit

Recently some users in one scenario reported an issue with email attachments. Generally most of users were compressing large doc, xls files before sending. If any document which is 15 MB in size, it becomes 8 MB only. In this scenario, following configurations were set- Mail size filtering in McAfee for Exchange is not enabled.…