Michel de Rooij
@eightwone.com
📤 371
📥 74
📝 303
Microsoft MVP | Author | Speaker
#MSExchange
#EntraID
#PowerShell
#MSGraph
PSA: In 1 week, Exchange Online requires trusting DigiCert Root G2 CA chain to avoid disruption https://xf.ms/DigiCertRootG2
4 days ago
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PSA: Today, EXO will block native email apps using EAS<16.1 https://xf.ms/PreEAS61Block
11 days ago
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PSA: Tomorrow, EXO will block native email apps using EAS<16.1 https://xf.ms/PreEAS61Block
12 days ago
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PSA: In 1 week, EXO will block native email apps using EAS<16.1 https://xf.ms/PreEAS61Block
18 days ago
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PSA: In 1 month, Exchange Online requires trusting DigiCert Root G2 CA chain to avoid disruption https://xf.ms/DigiCertRootG2
25 days ago
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Just vibe-updated PIMfox, the PIM activator for Firefox extension to v1.1.0, with support for PIM Groups
github.com/michelderooi...
#Entra
about 1 month ago
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reposted by
Michel de Rooij
Tony Redmond
about 1 month ago
The February 2026 (monthly update #128) EPUB and PDF files for the
#Office365
for IT Pros eBook are now available for current subscribers to download. All the
#Microsoft365
news that's fit to print...
office365itpros.com/2026/02/02/o...
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February 2026 Update for Office 365 for IT Pros
The February 2026 (update #128) files for the Office 365 for IT Pros (2026 edition) eBook are available for subscribers to download from Gumroad.com.
https://office365itpros.com/2026/02/02/office-365-for-it-pros-128/
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So, I vibe coded this thing for Entra & Azure administrators too attached to using Firefox
addons.mozilla.org/en-US/firefo...
#EntraID
#Security
#Firefox
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PIMfox for Entra – Get this Extension for 🦊 Firefox (en-US)
Download PIMfox for Entra for Firefox. A Firefox extension that allows you to activate multiple PIM (Privileged Identity Management) roles simultaneously in Microsoft Entra and Azure resources.
https://addons.mozilla.org/en-US/firefox/addon/pimfox-for-entra/
about 1 month ago
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PSA: In 1 month, EXO will block native email apps using EAS<16.1
xf.ms/PreEAS61Block
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Exchange Online ActiveSync Device Support Update | Microsoft Community Hub
We want to inform our users and organizations about an important upcoming change regarding Exchange ActiveSync (EAS) device connectivity to Exchange...
https://xf.ms/PreEAS61Block
about 1 month ago
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ICYMI: Timeline for SMTP AUTH w/Basic Authentication retirement updated: ✅ End of Dec2026: Disabled existing tenants, w/option to enable. ✅ Jan2027: Unavailable for new tenants. ✅ Mid2027: Final EOL date announcement See
techcommunity.microsoft.com/blog/exchang...
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Updated Exchange Online SMTP AUTH Basic Authentication Deprecation Timeline | Microsoft Community Hub
We wanted to provide the updated Exchange Online SMTP AUTH Basic Authentication Deprecation Timeline.
https://techcommunity.microsoft.com/blog/exchange/updated-exchange-online-smtp-auth-basic-authentication-deprecation-timeline/4489835?WT.mc_id=M365-MVP-5000284
about 1 month ago
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France is having a go at something other countries tried before: build a sovereign alternative to Teams. 2027 seems optimistic, but let's see. Likely default will be to be unavailable during non-working hours, and a sneak peek at the new status option
www.euronews.com/next/2026/01...
#MSTeams
about 1 month ago
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reposted by
Michel de Rooij
Tony Redmond
2 months ago
Happy New Year to all. We've just released monthly update #127 for the
#Office365
for IT Pros eBook. Current subscribers can download the new EPUB and PDF files now. Have fun and success with
#Microsoft365
in 2026!
office365itpros.com/2026/01/01/o...
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January 2026 Update for Office 365 for IT Pros
Monthly Update #127 for the Office 365 for IT Pros eBook (2026 edition) is now available for current subscribers to download from Gumroad.com.
https://office365itpros.com/2026/01/01/office-365-for-it-pros-127/
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PSA: In 3 months, Exchange Online starts rollout of enforcing Mailbox External Recipient Rate Limit
https://xf.ms/EXOERR
2 months ago
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PSA: In 1 year, Office Online Server will retire
https://xf.ms/OOSretirement
2 months ago
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PSA: In 6 months, EWS block enforced for EXO mailboxes with Kiosk/Frontline SKUs
https://xf.ms/NoEWSEnforced
2 months ago
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PSA: In 6 months, EWS block enforced for EXO mailboxes with Kiosk/Frontline SKUs
https://xf.ms/NoEWSEnforced
2 months ago
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PSA: EWS block enforcement for Kiosk/Frontline SKUs has been moved back to the end of June
xf.ms/NoEWSEnforced
#MSExchange
#Microsoft365
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Update to EWS Access for Kiosk / Frontline Worker Licensed Users | Microsoft Community Hub
We wanted to provide an update on EWS access for Kiosk / Frontline Worker licensed users.
https://xf.ms/NoEWSEnforced
3 months ago
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PSA: Today, EXO Set/Get-Contact will be deprecated for Contact mgt
https://xf.ms/EXOContactUpd
3 months ago
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PSA: Tomorrow, Exchange Online Set/Get-Contact will be deprecated
https://xf.ms/EXOContactUpd
3 months ago
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Also got a huge collection of event videos or slidedecks? Want to lower its footprint? I published 2 scripts to help with that by compressing and downscaling videos or media, now part of my Get-EventSession repo
github.com/michelderooi...
#PowerShell
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GitHub - michelderooij/Get-EventSession: Script to assist in downloading Microsoft event contents or return session information.
Script to assist in downloading Microsoft event contents or return session information. - michelderooij/Get-EventSession
https://github.com/michelderooij/Get-EventSession
3 months ago
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PSA: In 1 week, Exchange Online Set/Get-Contact will be deprecated
https://xf.ms/EXOContactUpd
3 months ago
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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...
3 months ago
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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
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https://techcommunity.microsoft.com/blog/exchang..
3 months ago
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PSA: In 3 months, Exchange Online starts retiring SMTP AUTH w/BasicAuth
https://xf.ms/SmtpAuthRetire
3 months ago
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reposted by
Michel de Rooij
Tony Redmond
3 months ago
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...
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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 ...
https://o365itpros.gumroad.com/l/O365IT/BlackFriday2025
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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
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Announcing Public Preview: Exchange Online Admin API | Microsoft Community Hub
We are announcing the Public Preview of the Exchange Online Admin API.
https://techcommunity.microsoft.com/blog/exchange/announcing-public-preview-exchange-online-admin-api/4470562?WT.mc_id=M365-MVP-5000284
4 months ago
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.. what does it mean? 🤔
4 months ago
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PSA: Today, Exchange Online auto-archving will be enabled for targeted release tenants
https://xf.ms/EXOAutoArch
4 months ago
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PSA: In 1 month, Exchange Online Set/Get-Contact will be deprecated
https://xf.ms/EXOContactUpd
4 months ago
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PSA: Tomorrow, Exchange Online auto-archving will be enabled for targeted release tenants https://xf.ms/EXOAutoArch
4 months ago
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PSA: In 1 week, Exchange Online auto-archving will be enabled for targeted release tenants https://xf.ms/EXOAutoArch
4 months ago
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PSA: Today, Exchange Hybrid requires dedicated Hybrid App for cross-prem feats https://xf.ms/HybridAppReq
4 months ago
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PSA: Tomorrow, Exchange Hybrid requires dedicated Hybrid App for cross-prem feats https://xf.ms/HybridAppReq
4 months ago
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PSA: Today, Nested app auth & legacy EXO tokens start getting turned off https://xf.ms/NAAoff
4 months ago
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PSA: Tomorrow, Nested app auth & legacy EXO tokens start getting turned off https://xf.ms/NAAoff
4 months ago
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PSA: In 1 week, Exchange Hybrid requires dedicated Hybrid App for cross-prem feats https://xf.ms/HybridAppReq
5 months ago
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PSA: In 1 week, Nested app auth & legacy EXO tokens start getting turned off https://xf.ms/NAAoff
5 months ago
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PSA: Today, Exchange Online will start throttling MOERA domains https://bit.ly/MoeraThrottling
5 months ago
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PSA: Today, AzureAD & AzureAD Preview modules retire https://bit.ly/AADModuleRetire
5 months ago
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PSA: Tomorrow, Exchange Online will start throttling MOERA domains https://bit.ly/MoeraThrottling
5 months ago
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PSA: Tomorrow, AzureAD & AzureAD Preview modules retire https://bit.ly/AADModuleRetire
5 months ago
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PSA: Today, Exchange 2019 & 2016 reach End-of-Life https://bit.ly/ETOEx20162019EOL
5 months ago
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PSA: Tomorrow, Exchange 2019 & 2016 reach End-of-Life https://bit.ly/ETOEx20162019EOL
5 months ago
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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
5 months ago
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PSA: In 1 week, AzureAD & AzureAD Preview modules retire https://bit.ly/AADModuleRetire
5 months ago
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1
PSA: In 1 week, Exchange Online will start throttling MOERA domains https://bit.ly/MoeraThrottling
5 months ago
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PSA: In 1 week, Exchange 2019 & 2016 reaches End-of-Life https://bit.ly/ETOEx20162019EOL
5 months ago
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PSA: In 1 year, Exchange Hybrid needs Hybrid app w/GraphAPI perms & EXO retires EWS https://bit.ly/ETOEWSRetireEXO
5 months ago
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PSA: In 6 months, Exchange Online starts phased rollout of enforcing Mailbox External Recipient Rate Limit https://bit.ly/ETOEXOERR
5 months ago
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PSA: In 1 year, Exchange Hybrid needs Hybrid app w/GraphAPI perms & EXO retires EWS https://bit.ly/ETOEWSRetireEXO
5 months ago
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