Tales of the weird: High CPU on Exchange when using CBA authentication

Here’s another one from the ‘Tales of the Weird and Unusual’ bin here at Microsoft Exchange Support.  We recently had a case where a customer was experiencing high CPU on their Exchange 2016 servers.  While experiencing high CPU on an Exchange environment can happen from time to time, in our case, the customer reported it started within 2…


Tales of the weird: OAB distribution failing

From ‘Tales of the Weird and Unusual’, we recently worked a long running incident where at customer was having issues with their OAB in Exchange 2010, and our customer was hoping we could do a blog article on it.  What we were finding is that the generation was working as expected, however it was the distribution point…


Cookies, OWA, Exchange 2016, and Third Party Software

Recently, we had a very interesting, long running case in Exchange.  This was a case where the symptoms had many Exchange Engineers scratching their heads and trying to figure out what was going on, and where. Symptoms:  Customer originally called in while having issues with OWA and Exchange 2016, with a 2010 Coexist while they transitioned.  In…