Simple Understanding of Lync/Skype For Business Windows Fabric & Failover

Howdy,

I saw a scary number of Lync 2013 deployments in the last 8 months where the Lync is deployed using an Enterprise pool with only two front end servers, even I saw a couple that have an Enterprise pool with only one front end server, yes you read that right, only one front end server.

So I decided to write another post of my “Simple Understanding” article series aimed to explain the Lync 2013 server architecture, how it utilize windows fabric for high availability and why you should not deploy a 2 nodes Enterprise Edition pool, I’ll try to use small words and simple explanations as I can.

I’m planning also to use this article as a guide to share with customers which have an existing Lync deployment or considering Lync to help them in their decisions.

Continue reading “Simple Understanding of Lync/Skype For Business Windows Fabric & Failover”

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Lync 2013 SQL Mirroring Troubleshooting

Howdy,

after installing Lync server 2013 CU on Lync servers, time came to apply the updates to the SQL backend, checking the topology, I found that the SQL backend is mirrored.

Continue reading “Lync 2013 SQL Mirroring Troubleshooting”

Lync–Skype Video call is finally here

Howdy,

It is finally here, according to Microsoft Official announcement it looks like with the latest Skype for Windows computer update (download it here) it is possible to make Lync – Skype video calls.

initial testing shows that it is working only between Lync 2013 Mobile & Desktop clients & Skype windows desktop client, testing with Skype iOS and Android did not work, and I don’t use Apple Mac books so here you go Smile

Continue reading “Lync–Skype Video call is finally here”

November 2014 Update for Lync 2013 Client

Howdy,

Microsoft just released November 2014 update for Lync 2013 clients which can be downloaded from the following links

this update fixes the following problems

  • 3010340 Video freezes consistently for two second-intervals when you make a video call in Lync 2013
  • 3009723 Incorrect format of string in a trace statement when application sharing session viewers stop viewing in a conference
  • 3009722 Memory leak occurs when you start a peer-to-peer application sharing session in Lync 2013
  • 3009721 Lync 2013 crashes when you join a meeting that is hosted on Lync Server 2010 as an anonymous user
  • 3009719 Lync 2013 freezes when a toast notification of a call appears

details can be found in the release article here

Next Version of Lync 2013 gets a new name Skype for Business

Howdy,

so as you all might know, Lync was killed by Microsoft and the next coming version in first half of 2015 will be called Skype for Business.

I’m not going to write about that as it has been already covered by others, but I’ll share with you the best article out there that summarize it and tell you what is going on

Article Lync Gets a New Name: Skype for Business – By MVP Matt Landis

Social media Hash tag #Skype4B

Learn how to troubleshoot Lync / Skype for Business

Howdy,

some questions I’m getting over social networks are “what do you recommend to learn Lync troubleshooting?” or “How to troubleshoot Lync?”

well, according to my approach regarding this subject, the simple answer is “understand Lync”, or as my colleagues describe me “you talk SIP”.

Continue reading “Learn how to troubleshoot Lync / Skype for Business”

Simple Understanding of Media Traversal in Lync / Skype for Business

Howdy,

This is another one of my “Simple Understanding” articles to provide an easy way to understand how ICE “Interactive Connectivity Establishment” protocol is used in Lync to find available media path for a Lync audio, video, desktop sharing sessions to overcome the Firewall / NAT obstacle in an infrastructure.

the difference with my article is as always the use of simple words and animated diagram to make it easy to visualize how does it works and understand it which will help you planning for your Lync deployment as well as troubleshooting problem related to media session.

This article was really hard to write as I found myself too many times getting into too much details which lead into deleting or cutting paragraphs in it, and finally after 2 weeks I got this, so let’s start.

Continue reading “Simple Understanding of Media Traversal in Lync / Skype for Business”

Exchange Voicemail not working with Lync Simultaneous ringing to PSTN number

Howdy,

last week I had an annoying problem with Exchange, Lync and PSTN, when a user have simultaneous ringing enabled to his/her mobile number and they don’t answer the call, the call get disconnected or get forwarded to the Cell network Voicemail instead of Exchange Voicemail.

Continue reading “Exchange Voicemail not working with Lync Simultaneous ringing to PSTN number”

Simple understanding of Lync/Skype for Business CMS

Howdy,

I decided to write a “Simple Lync CMS Explanation” article, the difference with this article is that I decided to use easy words not big words as much as I can, to make it easier for Engineers with little SQL experience to understand Lync Database and how does it work, replicate…etc.

So less words and more diagrams to make it understandable, instead of 5 pages of words

Continue reading “Simple understanding of Lync/Skype for Business CMS”

Complete guide how to deploy and migrate to Lync 2013

Howdy,

To make things easier for all engineers new to the Lync world, I have collected together some of my articles in one place, here you will find all the information to get you started with deploying, configuring and migrating to Lync 2013, as well as decommissioning your Legacy Lync 2010 servers.

I hope it helps and if you find it helpful spread the news and follow me on twitter 🙂

Continue reading “Complete guide how to deploy and migrate to Lync 2013”