Lync Server Component Version using PowerShell (WMI Classes)

Every Lync Server administrator must have this Cmdlet, which shows each Lync Server 2010/2013 Component’s version: Get-WmiObject -class Win32_Product | where {$_.name -like “*Lync Server*”} | Sort-Object Name | Select Name, Version |ft -AutoSize The result will be like this: Or in Lync Server 2010: To save the result in a file just add “>>… Read more

The Office Communications Server Front-End service terminated with service-specific error 2147975170 (0x80078002)

Sometimes you get Front End Services to stop unexpectedly and in the event error you receive the message:  “The Office Communications Server Front-End service terminated with service-specific error 2147975170 (0x80078002)”. This is a rare event, but it might occur in scenarios when the Archiving Setting “Shutdown if archiving fails” is enabled or something happens to… Read more

Configuring ARR for Lync Server

Sometime ago we got into a situation where a customer deployed ARR as a Reverse Proxy for Lync Server. This was new to us. We found some articles on the Internet showing how to configure it, but none of them were clear enough. We wanted to understand this better, so we configured ARR from zero… Read more

EnableFastFailoverTimer in Lync 2013 Trunk Configuration

New stuff has been added to Lync 2013 but some things aren’t visible right away. On the Lync administrator side the interface didn’t change much – Control Panel and Topology are almost the same, and PowerShell is still black. “Under the hood”, we will find out that things are quite different – new settings, new roles… Read more

Persistent Chat: Your chat room access may be limited due to an outage.

One of  the new features in Lync 2013 is the Persistent Chat. Maybe not everyone will deploy this, but nonetheless it’s a great feature. Persistent Chat is basically a group chat that we can collocate in the Front End Server. In my lab I was discovering new settings and policies, and after a while I… Read more

CPU (Socket/No. of Core) Considerations in Lync Server 2013/Skype for Business Server 2015

Update 2017/05/29 – Added Skype for Business Server 2015 and SQL Server 2014 reference. The hardware requirements in Lync Server 2013/Skype for Business Server 2015 have increased since the previous version, which makes sense since now Audio/Video Conferencing, Monitoring and Archiving roles can be collocated in the Front End. As a result, more CPU and RAM… Read more

New profile and tracing location in Lync 2013

Recently I had to troubleshoot an issue with Address Book on the new Lync Client 2013 and found out that things have changed a little. Since Lync Client is now part of Office 2013 package, all files related can be found inside the Office 2013 ‘Application Data’ folder. Profile The Lync profile is stored in… Read more

Enabling Trace Log in Office Communicator, Lync 2010 and Lync 2013

One thing that I’m always looking for is how to enable Trace Logs in Communicator/Lync. I created the following steps to help to enable logging. Trace logs are important in troubleshooting because most of the problems related to failure in instant messages or video/audio calls can be detected in Communicator/Lync Trace logs. Office Communicator R2 To access… Read more