Michel de Rooij
@eightwone.com
Microsoft MVP | Author | Speaker
#MSExchange #EntraID #PowerShell #MSGraph
#MSExchange #EntraID #PowerShell #MSGraph
PSA: In 1 week, Exchange Online Set/Get-Contact will be deprecated https://xf.ms/EXOContactUpd
December 8, 2025 at 9:00 AM
PSA: In 1 week, Exchange Online Set/Get-Contact will be deprecated https://xf.ms/EXOContactUpd
Planning on certifying over the holidays? Humble Bundle might have interesting offer (if you don't mind reading from PDF) - Exam Prep bundle including AI900, AZ900, AZ104, AZ500, SC100 a.o.
www.humblebundle.com/books/micros...
www.humblebundle.com/books/micros...
December 6, 2025 at 11:32 AM
Planning on certifying over the holidays? Humble Bundle might have interesting offer (if you don't mind reading from PDF) - Exam Prep bundle including AI900, AZ900, AZ104, AZ500, SC100 a.o.
www.humblebundle.com/books/micros...
www.humblebundle.com/books/micros...
Heads-up: EWS blockage for Exchange Online mailboxes with Kiosk/F1/F3 license, which officially do not offer EWS access, will be enforced March 2026 xf.ms/NoEWSEnforced #MSExchange
techcommunity.microsoft.com
December 2, 2025 at 8:51 PM
Heads-up: EWS blockage for Exchange Online mailboxes with Kiosk/F1/F3 license, which officially do not offer EWS access, will be enforced March 2026 xf.ms/NoEWSEnforced #MSExchange
PSA: In 3 months, Exchange Online starts retiring SMTP AUTH w/BasicAuth https://xf.ms/SmtpAuthRetire
December 1, 2025 at 9:05 AM
PSA: In 3 months, Exchange Online starts retiring SMTP AUTH w/BasicAuth https://xf.ms/SmtpAuthRetire
Reposted by Michel de Rooij
Here's the Black Friday discount code to get 50% off the Office 365 for IT Pros eBook (including the Automating #Microsoft365 with #PowerShell eBook). Code terminates on Tuesday. If you're running a Microsoft 365 tenant, you need this book: o365itpros.gumroad.com/l/O365IT/Bla...
Office 365 for IT Pros (2026 Edition). The Ultimate Guide to Managing Microsoft 365. (Includes the Automating Microsoft 365 with PowerShell eBook)
The Ultimate Guide to Planning, Deploying, and Managing the Microsoft 365 Cloud Productivity EcosystemWhy buy separate books to learn about Microsoft 365, SharePoint Online, Exchange Online, OneDrive ...
o365itpros.gumroad.com
November 28, 2025 at 9:27 AM
Here's the Black Friday discount code to get 50% off the Office 365 for IT Pros eBook (including the Automating #Microsoft365 with #PowerShell eBook). Code terminates on Tuesday. If you're running a Microsoft 365 tenant, you need this book: o365itpros.gumroad.com/l/O365IT/Bla...
PSA: Exchange Online Admin API (EWS replacement subset) now available (preview). REST-like alternative for some EWS scenarios, but not full REST replacement; cmdlets still recommended for full functionality techcommunity.microsoft.com/blog/exchang... #MSExchange #EWS
Announcing Public Preview: Exchange Online Admin API | Microsoft Community Hub
We are announcing the Public Preview of the Exchange Online Admin API.
techcommunity.microsoft.com
November 17, 2025 at 3:41 PM
PSA: Exchange Online Admin API (EWS replacement subset) now available (preview). REST-like alternative for some EWS scenarios, but not full REST replacement; cmdlets still recommended for full functionality techcommunity.microsoft.com/blog/exchang... #MSExchange #EWS
.. what does it mean? 🤔
November 17, 2025 at 9:37 AM
.. what does it mean? 🤔
PSA: Today, Exchange Online auto-archving will be enabled for targeted release tenants https://xf.ms/EXOAutoArch
November 15, 2025 at 9:00 AM
PSA: Today, Exchange Online auto-archving will be enabled for targeted release tenants https://xf.ms/EXOAutoArch
PSA: In 1 month, Exchange Online Set/Get-Contact will be deprecated https://xf.ms/EXOContactUpd
November 15, 2025 at 9:00 AM
PSA: In 1 month, Exchange Online Set/Get-Contact will be deprecated https://xf.ms/EXOContactUpd
PSA: Tomorrow, Exchange Online auto-archving will be enabled for targeted release tenants https://xf.ms/EXOAutoArch
November 14, 2025 at 9:01 AM
PSA: Tomorrow, Exchange Online auto-archving will be enabled for targeted release tenants https://xf.ms/EXOAutoArch
PSA: In 1 week, Exchange Online auto-archving will be enabled for targeted release tenants https://xf.ms/EXOAutoArch
November 8, 2025 at 9:05 AM
PSA: In 1 week, Exchange Online auto-archving will be enabled for targeted release tenants https://xf.ms/EXOAutoArch
PSA: Today, Exchange Hybrid requires dedicated Hybrid App for cross-prem feats https://xf.ms/HybridAppReq
November 1, 2025 at 9:05 AM
PSA: Today, Exchange Hybrid requires dedicated Hybrid App for cross-prem feats https://xf.ms/HybridAppReq
PSA: Tomorrow, Exchange Hybrid requires dedicated Hybrid App for cross-prem feats https://xf.ms/HybridAppReq
October 31, 2025 at 4:01 PM
PSA: Tomorrow, Exchange Hybrid requires dedicated Hybrid App for cross-prem feats https://xf.ms/HybridAppReq
PSA: Today, Nested app auth & legacy EXO tokens start getting turned off https://xf.ms/NAAoff
October 31, 2025 at 4:00 PM
PSA: Today, Nested app auth & legacy EXO tokens start getting turned off https://xf.ms/NAAoff
PSA: Tomorrow, Nested app auth & legacy EXO tokens start getting turned off https://xf.ms/NAAoff
October 30, 2025 at 4:00 PM
PSA: Tomorrow, Nested app auth & legacy EXO tokens start getting turned off https://xf.ms/NAAoff
PSA: In 1 week, Exchange Hybrid requires dedicated Hybrid App for cross-prem feats https://xf.ms/HybridAppReq
October 25, 2025 at 4:00 PM
PSA: In 1 week, Exchange Hybrid requires dedicated Hybrid App for cross-prem feats https://xf.ms/HybridAppReq
PSA: In 1 week, Nested app auth & legacy EXO tokens start getting turned off https://xf.ms/NAAoff
October 24, 2025 at 4:00 PM
PSA: In 1 week, Nested app auth & legacy EXO tokens start getting turned off https://xf.ms/NAAoff
PSA: Today, Exchange Online will start throttling MOERA domains https://bit.ly/MoeraThrottling
October 15, 2025 at 4:00 PM
PSA: Today, Exchange Online will start throttling MOERA domains https://bit.ly/MoeraThrottling
PSA: Today, AzureAD & AzureAD Preview modules retire https://bit.ly/AADModuleRetire
October 15, 2025 at 4:00 PM
PSA: Today, AzureAD & AzureAD Preview modules retire https://bit.ly/AADModuleRetire
PSA: Tomorrow, Exchange Online will start throttling MOERA domains https://bit.ly/MoeraThrottling
October 14, 2025 at 4:00 PM
PSA: Tomorrow, Exchange Online will start throttling MOERA domains https://bit.ly/MoeraThrottling
PSA: Tomorrow, AzureAD & AzureAD Preview modules retire https://bit.ly/AADModuleRetire
October 14, 2025 at 4:00 PM
PSA: Tomorrow, AzureAD & AzureAD Preview modules retire https://bit.ly/AADModuleRetire
PSA: Today, Exchange 2019 & 2016 reach End-of-Life https://bit.ly/ETOEx20162019EOL
October 14, 2025 at 4:00 PM
PSA: Today, Exchange 2019 & 2016 reach End-of-Life https://bit.ly/ETOEx20162019EOL
PSA: Tomorrow, Exchange 2019 & 2016 reach End-of-Life https://bit.ly/ETOEx20162019EOL
October 13, 2025 at 4:00 PM
PSA: Tomorrow, Exchange 2019 & 2016 reach End-of-Life https://bit.ly/ETOEx20162019EOL
Hybrid Exchange issues with Free/Busy? It's planned nudge day 3 of 3. Test-OAuthConnectivity likely shows 403 error, eg running (mix with) Exchange with pre-April patch levels. Affected? Act soon, permanent after EoM! bit.ly/ETOSecChanges #MSExchange
October 9, 2025 at 2:51 PM
Hybrid Exchange issues with Free/Busy? It's planned nudge day 3 of 3. Test-OAuthConnectivity likely shows 403 error, eg running (mix with) Exchange with pre-April patch levels. Affected? Act soon, permanent after EoM! bit.ly/ETOSecChanges #MSExchange
PSA: In 1 week, AzureAD & AzureAD Preview modules retire https://bit.ly/AADModuleRetire
October 8, 2025 at 4:02 PM
PSA: In 1 week, AzureAD & AzureAD Preview modules retire https://bit.ly/AADModuleRetire