Banking institutions and healthcare will not accept local data being stored on PCs unless it is encrypted.īitLocker all PCs to secure local mail data.
#Cached exchange mode outlook 365 Pc
If the PC is stolen then your mail is at risk and confidential information is likely to be compromised. Storing local data on PCs is a security risk. I know what you are thinking – these are not solutions. Prevent users from using multiple PCs, run a hybrid-exchange mode, buy more ExpressRoute connections. How can you justify spending more money on increased bandwidth to potentially face the same issue further down the line? What if the ExpressRoute link becomes saturated? Caching performance will be even worse, and other cloud services are affected. You’ve spent a lot of money on ExpressRoute, the recommended way to provide connectivity to Azure and Office 365. You can only have Outlook open at one time, which doesn’t work since staff don’t often fully log off machines before moving to another, leaving Outlook open. You may be sitting waiting for longer than usual before you can access your most recent mail – this is not what staff have been used to before when using online mode with on-premises mail servers.Ĭome up with some way to redirect the mail to a network share using file-level redirection. That means you are having to re-cache the data each time you move to a new PC, or if you have not used that PC in a while. People generally aren’t tied to one office or room anymore. I hear that a lot of organisations opt to cache 1-3 months of mail when using Office 365.ĭo staff move around different PCs? In healthcare they do, and actually this behaviour happens across all types of industries today. Staff often only work with the most recent email however when trying to find an older email and not having that mail indexed, the experience may be less than desired. You could cache 1 month of data, but then you are depending on online mode for the rest of your email. How much data do you want to cache? The more data you cache, the more traffic is sent to/from remote Microsoft datacentres and the longer it may take for staff to have access to all of their emails. This works well, but it isn’t every organisation’s solution because: The problem Using this mode, Outlook clients cache mail locally to an OST file on the PC and then perform delta-synchronisations to keep mail up-to-date. Organisations then enabled cached exchange mode. There is a solution, but it does create some challenges: It can be slow and sluggish to navigate through, and this doesn’t bode well with clinicians who need an acceptable user experience across all the different machines and locations they work from during the week. Given that your mailbox is farther away, customers are finding that online mode is no longer an acceptable method for delivering mail to Outlook and the end-user. As such, when you retrieve your mail, you are routed off to a datacentre managed by Microsoft. The new post-Office 365 migration challenge:Īfter a move to Office 365, though, your mailbox is no longer situated on-premises. That work pattern was suited well for online mode and it provided little overhead for IT to configure and manage. Lots of staff work from different hospitals, different community centres, and so on, which means the users hop around multiple machines during the working week. Major healthcare providers have thousands of staff and, of course, computers. Take healthcare for example, an industry I have experience working in. Given the low latency between client and server, performance was just fine and we didn’t have to wait around on the OST caching when we launched Outlook for the first time, got a new machine, or moved around different machines.
PCs were close to the datacentre, or the server room in the case of a small business. Many organisations when using the traditional on-premises Exchange server deployment configured their Outlook clients in online mode. That issue revolves around OST caching and the behaviour of Outlook in online mode when used with Office 365. With all the great benefits moving to Office 365 brings, I wanted to take this opportunity to talk about one of the issues that moving to Office 365 presents to the customer. I actually find it hard to find an organisation that is not using Office 365 today, and if I do, they are likely considering a move in the near future. Isn’t that incredible? It speaks absolute volumes given the many great products they have released down the years. Office 365 is the fastest growing product in Microsoft’s history.
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