Erwin Bierens

Sharing Knowledge

QoS troubleshooting with Wireshark

QoS During my work i have a lot of VoIP traffic related queries/questions. I’m using this configuration to check if packets are being tagged with the right DSCP values. Add DSCP column to your Wireshark Client Right click on one of the existing columns. Click on column preferences Click Add down the bottom Click on the “New Column” Label and change it to “DSCP” then hit enter once.

RDCMan to Hyper-V console

Remote Desktop Connection Manager is a essential tool if you run a lot of virtual machines or need to connect to a lot of customers as i do. One of the new features in version 2.7 allows the ability to connect directly to virtual machines (called virtual machine connect-to-console support). Configuring a connection for this new feature is rather easy once you have the ID of the virtual machine.  The following PowerShell command should do the trick:

Polycom Trio 8800 failed to discover exchange server (Office365)

Problem Deployed some Polycom Trio’s in my organisation (we’re running Exchange Online and Skype for Business Online) and everytime i went to the Calendar the Polycom was showing an error “Failed to discover exchange server”. How to solve this error Login to the webinterface from the Polycom Trio 8800 (first time enable HTTP/HTTPS connection from the Polycom Advanced Option, Default password is “456”) Go to Settings > Applications

No presence information in Outlook (Skype for Business)

The issue Got an issue after installing the Mitel MiCollab software. Microsoft Outlook did not display the status of Lync/Skype anymore. Also in my Outlook client the information from GAL (Global Address List) was not visable anymore when hovering over a name. Some other issues i found out: * The Microsoft SharePoint client/web does not display presence information. * Other Microsoft Office applications that support presence features do not display presence information

.NET Framework 4.6.2 is supported with the February 2017 Cumulative Update for Skype for Business Server 2015

Both Lync Server 2013 and Skype for Business Server 2015 are supported with the .Net Framework 4.6.2. Skype for Business Server must have the February 2017 update for Skype for Business Server or later installed. This update can be found at Lync Server 2013 must have the November 2016 update, or later installed. This update can be found at