Is ExpressRoute for Office 365 for me?

“Is ExpressRoute for me?” seems to be a recurrent question these days. And from Office 365 standpoint, the answer is probably not for the clear majority of customer asking that question. I will tell you why: Simply put, Office 365 is designed to work via the internet. Securely and reliably. Moreover, many of the services…


Editing distribution list membership after migrating to Exchange Online

So, your users manage distribution lists with Outlook. And then you decide to move to Exchange Online just to figure they will not be able to manage those DLs with Outlook anymore. Now what? You have options and one of them is discussed here: Allowing your users to edit the groups using only Windows. That’s…

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What the heck happened – My largest user group changed from Semi-Annual Channel to Monthly Channel?

Regarding Office 365 ProPlus updates, some IT admins want total control (which often turns out to be the illusion of control). Some follow the recommended practices, which is receiving updates via CDN (Content Delivery Network). Below is a scenario that can happen to YOU if you are managing Office 365 Pro Plus updates locally. Here’s…

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How many of my licenses are in use?

Yesterday a good friend of mine, who also happen to be one of my customers, asked an interesting question that no other customer asked me: “Is it possible for us to receive some kind of alert when I’m running out of licenses in Office 365?” That question got me thinking. And to be honest, I…


Who is linked to whom in your spider web of mailbox permissions. Migration batch permissions analysis.

You’re going to migrate mailboxes from Exchange 2010, 2013 and/or 2016 to Office 365.  You know you have many mailbox permission threads between delegates, delegators, shared mailboxes and users.  How can you gather all those permission threads and determine who to migrate with whom to keep those permissions together?  What do you do when the…

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Completing individual move requests in a migration batch (changed behavior)

Recent changes in Exchange Online changed the way we finish individual migrations within migration batches. We used to run Set-MoveRequest -SuspendWhenReadyToComplete $false and Resume-MoveRequest, but that does not work anymore and the move requests get stuck in Synced state.   Imagine you have a migration batch set to start automatically and complete manually. Like the…


Have fun with your OOF

Believe it or not, people at Microsoft have fun. I do not mean we have fun with our jobs, which we do (my boss might be reading this… who knows?). We have fun with ourselves, the silly things we do every day, the dumb things as well… The other day I sent an e-mail to…


Mailbox migration – Do it yourself guide

Let’s say you are running Exchange 2010+ on-premises but are not eligible for migrating with FastTrack Center. And you are looking for references to help you moving the mailboxes. Or even better, you are looking for a tool that helps you automate the migration process. You came to the right place: In the previous post…


Pre-flight – Checking objects before an Exchange hybrid migration

Customers working with FastTrack Center for mail migration can use a tool called Integrated Preflight. It checks for basic migration pre-requisites, such as: Does the target object exist in Office 365? Does it have the required e-mail addresses? Are all the e-mail addresses valid? Does the admin account have the required permissions?   The Preflight…


Do I still need an Exchange on-premises?

I have all my mailboxes online (and no public folders). Do I still need an on-premises Exchange Server? That’s a question the FastTrack Engineers are used to hear from customers. And it makes sense: There is no apparent reason to keep a mailbox server without a single mailbox. Except that there is an important reason…


Get your DNS right

Working with IT infrastructure in geographically dispersed companies can be challenging sometimes. Getting DNS right is often one of them, especially with most the Internet services trying to overcome network limitations such as latency with local endpoints for their services (hey, that’s us!). When you point all your users to the same external DNS, even…


Mail relay, gateways SMTP and Exchange Online

Almost every customer at FastTrack Center ask what to do with applications that send e-mail after moving to Exchange Online. Most of the apps use e-mail for internal and/or external notification mail. So… what to do with them?   My four rules for mail relay Please take into consideration I am not talking about massive…


Why we recommend not using proxy with Office 365

  We still have a lot of customers using web proxies for Internet access. Sometimes it is just a legacy, sometimes a way of controlling Internet access and other times, a network requirement (the network does not have a default gateway to the Internet). The idea of using proxies came from a time we had…


How many objects will be synchronized to the cloud?

  Import-Module ActiveDirectory Get-ADObject -Filter {((objectClass -eq ‘user’) -and (objectClass -ne ‘computer’)) -or (objectClass -eq ‘contact’) -or (objectClass -eq ‘group’)} | Measure-Object | Format-List Count