By now you should have heard about the heartbleed bug. This is a serious vulnerablility in the popular OpenSSL cryptographic software library. In case you think “but I don’t use this open stuff” you’re wrong. You might not, but vendors might be. With the heartbleed...Read More..
With all the buzz going on about end-of-support for Windows XP (April 8, 2014) I suddenly realized there are more Operating Systems and (Server Applications) that are about to hit the end-of-support date (but this was mentioned in a presentation on MEC 2014 as well...Read More..
During MEC 2014 I delivered a presentation on “Backup, Restore and Disaster Recovery” in Exchange 2013. In two demos I showed replay of transaction log files and an offline backup (see previous post) and what happens when creating a VSS snapshot using the low level...Read More..
All good things come to an end and that’s also true for MEC 2014. On the day after MEC 2014 it is time to rethink the event. Overall it was an awesome event, despite the dull keynote session although the videos shown there were great,...Read More..
Exchange Server During MEC 2014 I delivered a presentation on “Backup, Restore and Disaster Recovery” in Exchange 2013. The first part of this presentation was about Mailbox databases and its accompanying transaction log files. In this blog I’ll explain a bit how to replay these...Read More..
In earlier versions of Exchange you can use the Autodiscoverredirect option to retrieve autodiscover information if your primary SMTP domain in your email address does not match the domain name of the autodiscover DNS record in your Exchange deployment. You’ll face this issue when your...Read More..
During a migration project I ran into a nasty issue where I was not able to perform any outbound calls via the mediation server and the SIP trunk. As soon as I entered a phone number in my Lync 2013 client and hit the ‘dial’...Read More..
Ok, I couldn’t resist it… In my previous blog I wrote about publishing Lync services using a Kemp Load Master. Since I’m not married to Kemp (although you might think differently, and so does Marco I also have an F5 LTM up-and-running in my lab....Read More..
In my previous blog I wrote about publishing Lync services using IIS/ARR as a replacement for TMG 2010. It is also possible to use a hardware load balancer to publish these Lync web services to the internet. In this blog I’ll talk about using a...Read More..
In an earlier blog post I wrote about publishing Lync services using TMG 2010. One of the Microsoft alternatives for reverse proxy is the Application Request Routing module or ARR, a module that’s running on top of Internet Information Server (IIS). Lync Configuration In my...Read More..