Lync Server Component Version using PowerShell (Windows Registry)

One of the first posts was about how to get Lync Server Component versions: Lync Server Component Version with PowerShell (WMI Classes) In that post, we used Get-WmiObject to query the server. Nevertheless, using that method can be slow, and for sometime it was the only one we knew. In the post Hey, Scripting Guy! Blog … Continue reading Lync Server Component Version using PowerShell (Windows Registry)

Lync Server 2013: Event 31007 LS Certificate Manager

It is really important to regularly check the Event Viewer for Warnings/Errors (or to use System Center Operation Manager to do it for you). In one of these checks, the following event was found: Log Name: Lync Server Source: LS Certificate Manager Date: 06/10/2014 02:29:30 Event ID: 31007 Task Category: (1016) Level: Warning Keywords: Classic … Continue reading Lync Server 2013: Event 31007 LS Certificate Manager

Disabling SSL 3.0 in Lync Server 2013 and Skype for Business Server 2015

If you recently tried to check on a certificate on DigiCert – SSL Certificate Checker (https://www.digicert.com/help/), you may have noticed the following warning:   DigiCert added this verification due to a vulnerability that was discovered a few days ago. For more information about this vulnerability, check the following articles: Vulnerability Summary for CVE-2014-3566 http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2014-3566 This POODLE … Continue reading Disabling SSL 3.0 in Lync Server 2013 and Skype for Business Server 2015

Lync Server 2013: Event 32169 LS User Services and Event 36870 Schannel

Last Tuesday, a friend called us asking if we could help him check one Lync Environment, because on a Front End server the Lync service wouldn't start. This particular environment was familiar to us since we were part of the team that deployed it, so we knew it has only two Front End Servers. Even … Continue reading Lync Server 2013: Event 32169 LS User Services and Event 36870 Schannel

Certificate re-key to change signature algorithm in Lync Server (SHA-1 to SHA-2)

Recently, I received an e-mail from GoDaddy asking to renew older certificates which were signed using SHA-1 algorithm because: Google® is making a shift in their Chrome™ Web browser to phase out any SSL certificates which use an old encryption algorithm (SHA-1) and expire after Dec. 31, 2015 By default, all new or recently renewed certificates … Continue reading Certificate re-key to change signature algorithm in Lync Server (SHA-1 to SHA-2)

Blocking Calls on Lync Server and Skype for Business Based on Caller ID

Update 2016/04/01 - To avoid Missed call notifications check Missed call notification when the call is blocked by CallerIDBlock MSPL Script Last week a customer asked how we can block calls in Lync Server. After some searching, I found the following post: VoIPNorm's UC Blog - Blocking Calls in Lync Based on Caller ID Unfortunately, the comments refer … Continue reading Blocking Calls on Lync Server and Skype for Business Based on Caller ID

Lync/SfB Edge Server on a single subnet

The point of this post is to help those that can't have 2 NIC on 2 separated not routable subnets. I have already encountered some customers whose security team stated that it was technically impossible to deploy an additional subnet on their current security/network infrastructure. Many of you know that Lync Edge Requirements have the following … Continue reading Lync/SfB Edge Server on a single subnet

Lync Server 2013: Event 1034, LS File Transfer Agent Service

Last week a customer asked me to check his Lync Server 2013. Everything was working, but there were some Event 1034, LS File Transfer Agent Service errors in the Event Viewer: Event 1034, LS File Transfer Agent Service Microsoft Lync Server 2013, File Transfer Agent service encountered an error while accessing a file share and will … Continue reading Lync Server 2013: Event 1034, LS File Transfer Agent Service

Polycom Group 500 integration with Lync Server 2013

So we got hands on a Polycom Group 500! This is a relative new RealPresence product from Polycom – although smaller than HDX 7000, it continues to maintain most of its features. In Group Series, Polycom dropped the support for ISDN and People On Content. As of the writing of this article, the Polycom Group Series is … Continue reading Polycom Group 500 integration with Lync Server 2013

Difference between Open and Closed Federation in Lync/SfB Server

One of the features that Lync Server and Skype for Business Server has and customers like is the ability to federate with another company. This post will focus only on Lync/SfB to Lync/SfB or Lync/SfB to OCS federation. Usually, Lync/SfB administrators don't know if they have an open or closed federation – why is that so? Because … Continue reading Difference between Open and Closed Federation in Lync/SfB Server