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Hi there! Welcome to my blog. My name is Ivan. I am a Dutch IT Professional working as Principal IT Consultant. Read more about me..

News, Problem Solutions and Other Interesting Information...

Lync: Change sign-in address with PowerShell

Posted by Ivan
/ December 23, 2014 / Leave a comment

If you started with Live Communications Server 2005 server you probably used an internal namespace for signing in. In the following migrations to Office Communications Server 2007, Lync 2010 and Lync 2013 you kept them smooth and didn’t change the sign-in address of your users. At some point your reached a moment...

Posted in Lync
Lync: How to setup a SIP trunk with IP office R9?

Posted by Ivan
/ August 31, 2014 / 2 Comments

In the last 12 months I have learned how to set up and manage a Lync 2013 environment. I completed a complex migration path starting from OCS 2007 R1. There have been many challenges that I need to deal with and starting with this post I will share my journey...

Posted in Lync
Lync Server: Certificate Request Denied by Policy Module 0x80072746

Posted by Ivan
/ March 19, 2013 / Leave a comment

When deploying a Lync 2013 server I run into following issue when requesting certificates for “Request, Install or Assign certificates” deployment step. Request-CSCertificate Action – failed To solution to this problem is to locate the Active Directory Certificate Authority: Logon with remote desktop or use Services console, and connect to...

Posted in Lync