Certificates

Lync/SfB Server: Event 41026, LS Data MCU after May 2017 .NET Framework update

Posted on 14/09/2017
/Under Certificates, Lync, Onpremise, Powershell, Skype for Business, Windows Updates

Hi, Today a customer call me and said that they cannot connect to meeting. In the Blog below is the fix. https://blogs.technet.microsoft.com/uclobby/2017/05/24/lyncsfb-server-event-41026-ls-data-mcu-after-may-2017-net-framework-update/ And script that does this for You. https://gallery.technet.microsoft.com/LyncSfB-Server-Disable-EKU-dab6cb88continue reading →

After Cumulative Updates in Exchange 2013 ECP and OWA will be broken … sometimes?

Posted on 04/09/2014
/Under Certificates, Exchange

Mr. Exchange Server Pro Paul Cunningham wrote a guide for updating single servers and dag servers. http://exchangeserverpro.com/exchange-2013-installing-cumulative-updates/ After applying updates to Exchange 2013 environment. You will sometimes (yes not all the time) that EAC and OWA will break. Either displaying this page or a blank page. I have found that…continue reading →

Renew CA-ROOT and crl lists to use with Forefront UAG Direct Access.

Posted on 21/08/2014
/Under Certificates, Direct Access, UAG

And hi again. Today a customer had problems with Forefront AUG Direct Access. Recently they had renewed CA-Root -certificate and then crl and delta crl -lists got renewed also with name ca-root(1).crl and ca-root(1)+.crl They are using a internal CA-Root -certificate for IP-HTTPS. So the problem was that client machines…continue reading →

How to migrate CA Root from server to another

Posted on 09/05/2014
/Under Certificates, Migrate

This article shows you exactly how to migrate CA Root to another server. The new server can be anything from 2008 to 2012 R2. In the Certification Authority snap-in, right-click the CA name, click All Tasks, and then click Back up CA to start the Certification Authority Backup Wizard. Select…continue reading →

Lync/SfB Server: Event 41026, LS Data MCU after May 2017 .NET Framework update

After Cumulative Updates in Exchange 2013 ECP and OWA will be broken … sometimes?

Renew CA-ROOT and crl lists to use with Forefront UAG Direct Access.

How to migrate CA Root from server to another

Skype for Business Blog articles

You Had Me At EHLO…

Microsoft Azure Blog