Category: Microsoft

Office 365 backdoor message routing

Microsoft would like you to think that Office 365 just works and that online Exchange is just a service you can consume without worry.  However scratch below the surface and you discover their architecture has a few flaws. Office 365 is ever changing – so what I write now will probably be wrong in 3…


Exchange Mailbox Move Diagnostics

Sometimes moving mailboxes fails, and it can be for the strangest reasons. Many reasons are quite easy to identify, but some are a real pain! Here is a quick guide to diagnosing the root cause of the problem, following the process I used to identify and fix some failed migrations. In my instance I had…


Exchange 2010 Cluster Account on W2012

Recently I had to install Exchange 2010 on Windows Server 2012.  This was great until I tried to add mailbox servers to the DAG, only to get a bunch of obscure error messages that didn’t mean anything! It would appear that from Windows Server 2012 it can no longer create the cluster account correctly.  When…