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... Read More
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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... Read More -
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... Read More -
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... Read More -
Microsoft releases new “Tenant Restriction” capability
A few days ago, Microsoft announced the General Availability of the "Tenant Restriction" capability. Although I have not been able to play with it so... Read More -
“Conference season” is about to start!
Every year in September, right after the summer holidays, there is an unofficial start of a new "work season". For some this unofficial start moment comes... Read More -
Exchange Virtual Directory HTML Report
Update 12/09/2016: script updated to version 1.8: Included support for Exchange 2016 CU2+ Made some minor changes to the code + output now shows a message... Read More -
A closer look at the “Minimal Hybrid Configuration” option
Just a few weeks ago, Microsoft announced a new feature in its line-up of hybrid Exchange capabilities: the Minimal Hybrid Configuration option. With the introduction... Read More -
Exchange Hybrid Deployments and cross-premises Full Access permissions
Nothing but excellent news in the hybrid Exchange realm these days! Microsoft recently updated the support statement for cross-premises permissions in a hybrid deployment. As of... Read More -
Selective authentication for (sub-)domains in Office 365
Office 365 provides various authentication options, such as cloud-IDs, Password Hash Synchronization or federated identities. Leaving out the specifics on how each of these options... Read More