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The requirement to have a stable connection to the Exchange server is now harder to manage. For customers who have a local Exchange server the network availability might not be a problem, but more and more customers are moving to Office 365.
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If there is a network interruption, the end-user will notice this immediately. Mailbox data is only cached in memory and never written to disk. Online Mode works by using information directly from the server and it requires a continues and stable connection to the Exchange server. The disablement of CEM means the end-user is working in Online Mode. If for some reason there’s a connection problem to the Exchange server, the end-user might not even notice this and still will be able to read their emails and do most of the basic tasks. This copy provides quick access to your data, and it’s frequently updated with the server that runs Microsoft Exchange. In this mode, a copy of the mailbox is saved locally to disk as an. With CEM enabled, the end-user will have a better experience when using an Exchange account in Outlook. Let me first explain Cached Exchange Mode (CEM) for Outlook. In this blogpost I will explain how this solution works, what problem it solves and how it’s implemented! In short, this is a solution for the Cached Exchanged Mode (CEM) problem in stateless (or non-persistent) virtual workspace sessions. One of the solutions is called the Office 365 Container. A couple of weeks ago I was attending a presentation from FSLogix about their App and Profile Containers.