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For those who have come across my previous blog posts about Lync Server 2010 users haven’t problems viewing OCS 2007 R2 users’ presence: https://blog.terenceluk.com/presence-issues-between-microsoft-lync/, the problem in this post is

If you ever come across the following message while opening the Microsoft Lync Server 2010 Control Panel: It may be because you haven’t created an A record for your Enterprise

I haven’t really had the chance to document the installation process in a few earlier Lync installations but managed to do so for one recently for a test environment so

Most of us probably know that presence issues can be caused by a vast amount of reasons and through my testing between the times I intentionally tried to break it,

I received a escalated UM related ticket passed on to me this week because the colleague who was looking at the issue wasn’t a UM expert and while I was

I took a bit of time to think about what title I should give this post and while I’m sure no one is going to Google/Bing “Ops”, I figured someone

Due to the various OCS and Exchange UM services we had to change for client, a significant amount of changes were also required to their public certificates.  I had to

It’s been awhile since I’ve done an OCS 2007 R2 deployment with the Tanjay / CX700 phones and to kick off the new 2011 year, we had a client who