Michel de Rooij
@mderooij
Microsoft MVP | Author | Speaker #MSExchange #EntraID #PowerShell #MSGraph
My trustworthy @We_are_Jabra Evolve 75 mic broke. Now, I don't know who needs to hear this, but cables scraping IC board is a design issue. Just look at the other side of the board 🙄


It's 2025, and some businesses still think it is OK to send you unsolicited emails #EndRant

TEC brings together the best in Identity Security, M365, and Copilot, through deep-dive conversations and real-world experiences. Hope to see you there! events.bizzabo.com/TheExpertsConf… #TEC2025 cc/@Quest

Sworn testimony from a Microsoft exec proves the point: US cloud providers cannot guarantee their EU customers' data won't be accessed by the US government. ppc.land/microsoft-cant…
.@Office365 #Exchange Online reduces threshold for delicensing resiliency feature to 5,000 mailboxes, but there's no good reason why this protection shouldn't be available to smaller #Microsoft365 tenants: office365itpros.com/2025/07/16/del…
Discover essential insights on Exchange 2016 and 2019 Extended Security Updates. Stay informed on support timelines and upgrade strategies for your organization eightwone.com/2025/07/16/exc… #MSExchange
Reduced License Count Requirement for Exchange Online Delicensing Resiliency Feature | Microsoft Community Hub techcommunity.microsoft.com/blog/exchange/…
Migrating to Exchange SE, but need more time to make the move? Exchange 2016/2019 Extended Security Updates (ESU) might give you the needed space regarding security - not support techcommunity.microsoft.com/blog/exchange/… #MSExchange #SkypeFB
PSA: In 3 months, AzureAD & AzureAD Preview modules stop functioning bit.ly/AADModuleRetire
Reminder to always check LLM generated output. 1 cmdlet, 2 parameters, 2 boo-boo's

PSA: In 3 months, Exchange 2019 & 2016 reaches End-of-Life bit.ly/ETOEx20162019E…
PSA: Do not - I repeat, do NOT - attempt an in-place upgrade of the Operating System of existing Exchange servers. Also, do not attempt to mix OSes within the same DAG; new OS = new Exchange Server = new DAG. That'll be all. #MSExchange
Exchange Server Subscription Edition (SE) is now available | Microsoft Community Hub techcommunity.microsoft.com/blog/exchange/…
PSA: In 3 months, Exchange Hybrid will require dedicated Hybrid App for cross-prem functionality bit.ly/ETOSecChanges, and legacy EXO tokens will get turned off aka.ms/NAAFAQ #MSExchange
Office 365 for IT Pros 2026 edition is almost there! Want to know more about the book, release process, or simply how to subscribe to this most updated reference material office365itpros.com/2025/06/24/off… #MSExchange #EntraID #Office365 #SPO #ODfB #Planner #Purview #MSGraph
ICYMI: Upgrading to Exchange SE blog has been updated with CU2, updated timelines and coexistence info, see techcommunity.microsoft.com/blog/exchange/… #MSExchange