Upcoming speaking engagements
Conferences are a fantastic way to learn from experts and peers, stay up-to-date with the latest trends, and network with like-minded professionals. Attending conferences can be very valuable for individuals and businesses alike, offering the opportunity to gain new...
Every outage has its learnings…
Early May 2019, Microsoft suffered from an outage which left many customers unable to connect to Office 365 or (some) Azure services. At the root of the issue lies a faulty DNS configuration which surfaced in an effort to move DNS services in-house at Microsoft....
Microsoft updates the (Intune) Outlook App Configuration Policy experience
Microsoft just released the long-anticipated update to Intune's App Configuration experience for the Outlook (mobile) app. First announced at Ignite, the update now makes it possible to configure (parts of) the Outlook mobile client through the GUI instead of having...
Update: Estimating the size of an Exchange (online) Archive
Hi all! A couple of years back, I created a (very basic) script to help estimating the size of an Exchange Archive by looking at the age of a message and comparing it to time periode you envision to use in the the retention/archive policy. Originally, I believe I had...
Correlating events becomes easier as Microsoft adds ‘SessionID’ to the audit logs in EXO
Yesterday, Microsoft announced a new capability in Exchange Online which adds the 'SessionID'-field to the existing audit logs in Exchange Online. Audit logs are a useful feature to go through and look at what actions have been performed on a mailbox at any given...
Protecting your AD FS environment from password (spray) attacks (in an Office 365 context)
Recently, I attended the Thrive Conference in Ljubljana, Slovenia. During the IT Pro “Ask the Experts”-panel, an interesting question was raised: “How do I protect an on-premises AD FS environment from password spray attacks?”. Why is this such an interesting (and...
Office 365 Outlook on the web (OWA): controlling “opt-in” for early versions and new experiences
Recently, Microsoft announced they are releasing the ability for users to "opt-in" for new OWA, or Outlook on the Web, experiences themselves by switching a toggle that will be made available to them in the interface. Image courtesy of Microsoft. While I personally...
Re-awarded as Microsoft MVP for 2018-2019!
Perhaps I'm a bit late to the game, but I'm happy and honored to share with you that on July 1st, I've been re-awarded the Microsoft MVP award in the category "Office Servers and Services". This is my 6th consecutive time that I receive this award which is given to...
New hybrid Organization Config Transfer-feature (OCT) announced
Yesterday, Microsoft announced the Organization Config Transfer feature (OCT) in the Hybrid Configuration Wizard. The feature is expected to start showing up starting late June 2018. In an ongoing effort to improve the Wizard, I believe this is a step in the right...
How to leverage (multiple) migration endpoints to speed up migrations to Exchange Online
Last week, at Microsoft's Tech Summit in Amsterdam, I gave a talk about running Exchange Hybrid connections over the long term. In that session, I talked about securing a hybrid deployment and – somewhat related - how to best and securely publish migration endpoints...
