by edward | May 10, 2015 | Lync Server 2013
Lync 2013 with Exchange 2013. After introducing Exchange 2013 to my environment, Lync 2013 starting logging OAuth errors: 32049 32053 32054 These alerts logged every few minutes and all 3 appeared at the same time. First thing to check is the URL set for Autodiscover...
by edward | May 10, 2015 | Exchange 2010
On Exchange 2010 we had a strange error show. Mail was working the previous day and strange enough mailbox moves were working. Here is the error: 451 4.4.0 Primary target IP address responded with: “451 5.7.3 Cannot achieve Exchange Server authentication.”...
by edward | May 5, 2015 | Lync Server 2013, Skype for Business 2015
Microsoft have made it easier to upgrade Lync Server 2013 to Skype for Business 2015. There are a few prerequisites which need to be addressed first before attempting the installation. In this guide we will go through each of the steps of upgrading the server. Step 1:...
