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Scott Schnoll
@schnoll.bsky.social
610 followers 650 following 54 posts
Author, The Admin’s Guide to Microsoft Exchange Server Subscription Edition (ISBN 9798262871872). Available at https://www.amazon.com/dp/B0FR5GGL75/

LinkedIn - https://aka.ms/Schnoll
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schnoll.bsky.social
Exchange Online Admin API (replacement for EWS) is now available in public preview.

techcommunity.microsoft.com/blog/exchang...

#MSExchange #EWSDeprecation #AdminAPI
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 2:53 PM
schnoll.bsky.social
PSA: Microsoft has resolved the issue of duplicate schema entries when Windows Server 2025 is used as a Schema Master FSMO role holder. See support.microsoft.com/en-us/topic/....

This prevents the issue from happening but if you are experiencing the issue, contact the Windows AD support team.
November 11, 2025—KB5068861 (OS Build 26100.7171) - Microsoft Support
support.microsoft.com
November 12, 2025 at 3:41 PM
Reposted by Scott Schnoll
scott.hanselman.com
Join us LIVE at #dotNetConf as we launch .NET 10 and VS2026! We are live with demos and details for the next three days! www.dotnetconf.net
.NET Conf 2025
Join the .NET Conf 2025 free virtual event November 11-13 2025 to learn about the newest developments across the .NET platform, open source, and dev tools. Mark your calendar!
www.dotnetconf.net
November 11, 2025 at 3:53 PM
schnoll.bsky.social
PSA: No Exchange Server SUs are being released this month, and between now and April 2026, the Exchange Team will explicitly announce when SUs are NOT released.

techcommunity.microsoft.com/blog/exchang...

#MSExchange #Security
No Exchange Server Security Updates for November 2025 | Microsoft Community Hub
We are not releasing any Exchange Server Security Updates for November 2025  
techcommunity.microsoft.com
November 11, 2025 at 6:15 PM
Reposted by Scott Schnoll
msftexchange.bsky.social
Retirement Date for Office Online Server (OOS) has been Announced | Microsoft Community Hub! 🦋
techcommunity.microsoft.com/blog/exchang...
Retirement Date for Office Online Server (OOS) has been Announced | Microsoft Community Hub
Office Online Server retirement date has been Announced.  
techcommunity.microsoft.com
October 21, 2025 at 6:30 PM
schnoll.bsky.social
Office Online Server Retirement Announced - December 31, 2026
techcommunity.microsoft.com/blog/officee...

#OOS #WAC #OfficeOnlineServer #OnPremises #OfficeServers
Announcing the retirement for Office Online Server | Microsoft Community Hub
What’s changing? Microsoft is announcing the end of support and retirement for Office Online Server effective December 31, 2026. After this date, Office...
techcommunity.microsoft.com
October 21, 2025 at 6:42 PM
Reposted by Scott Schnoll
msftexchange.bsky.social
Cloud-Managed Remote Mailboxes: Now Generally Available! | Microsoft Community Hub! 🦋
techcommunity.microsoft.com/blog/exchang...
Cloud-Managed Remote Mailboxes: Now Generally Available! | Microsoft Community Hub
We are happy to announce General Availability of cloud-managed Remote Mailboxes.  
techcommunity.microsoft.com
October 15, 2025 at 1:29 PM
schnoll.bsky.social
Released: October 2025 Exchange Server Security Updates

techcommunity.microsoft.com/blog/exchang...

For Exchange Server SE, Exchange Server 2019, and Exchange Server 2016

#MSExchange #security
Released: October 2025 Exchange Server Security Updates | Microsoft Community Hub
We have released Security Updates for Exchange Server SE, Exchange Server 2019 and Exchange Server 2016.  
techcommunity.microsoft.com
October 14, 2025 at 5:20 PM
schnoll.bsky.social
It's October 14, 2025. Turn off all your servers running Exchange Server 2016 or Exchange Server 2019 tonight.

Just kidding! Install the October 2025 SU first; then turn off your servers.

Long live Exchange Server SE!

#MSExchange #EndofSupport #ThereCanBeOnlyOne
October 14, 2025 at 2:02 PM
schnoll.bsky.social
PSA: Do NOT use Windows Server 2025 as the schema master before installing Exchange Server SE RTM. The Windows Server team is working on a permanent fix for this issue (to be released in the following months).

#WindowsServer2025 #MSExchangeSE #ADSchema

techcommunity.microsoft.com/blog/exchang...
Active Directory schema extension issue if you use a Windows Server 2025 schema master role | Microsoft Community Hub
We wanted to let you know of an Active Directory replication issue you might run into if you use Windows Server 2025 schema master role.  
techcommunity.microsoft.com
October 9, 2025 at 5:46 PM
schnoll.bsky.social
Are you responsible for managing Exchange Server Subscription Edition? If so, I wrote this for you: www.amazon.com/dp/B0FR5GGL75/

Available in Kindle and Paperback.
#MSExchange #admins
The Admin's Guide to Microsoft Exchange Server Subscription Edition
The Admin's Guide to Microsoft Exchange Server Subscription Edition - Kindle edition by Schnoll, Scott. Download it once and read it on your Kindle device, PC, phones or tablets. Use features like bookmarks, note taking and highlighting while reading The Admin's Guide to Microsoft Exchange Server Subscription Edition.
www.amazon.com
September 21, 2025 at 5:41 PM
schnoll.bsky.social
Non-security HU released for Exchange SE RTM, Exchange 2019 CU14/CU15, and Exchange 2016 CU23 that fixes an issue when deploying the dedicated Exchange Hybrid app.

Released: September 2025 Exchange Server Hotfix Updates techcommunity.microsoft.com/blog/exchang...

#MSExchange #Hybrid #HotfixUpdate
Released: September 2025 Exchange Server Hotfix Updates | Microsoft Community Hub
We have released Hotfix Updates for Exchange Server Subscription Edition (SE), 2019 and 2016.  
techcommunity.microsoft.com
September 8, 2025 at 8:05 PM
schnoll.bsky.social
No more MOERA domains for email (which you shouldn't be using the first place 😉)

Limiting Onmicrosoft Domain Usage for Sending Emails

techcommunity.microsoft.com/blog/exchang...

#MExchange #ExchangeOnline #MOERA #Security
Limiting Onmicrosoft Domain Usage for Sending Emails | Microsoft Community Hub
We are announcing that all Exchange Online customers who send external email should start switching to custom (aka vanity) domain names.
techcommunity.microsoft.com
August 20, 2025 at 9:10 PM
schnoll.bsky.social
Introducing Cloud-Managed Remote Mailboxes: a Step to Last Exchange Server Retirement
techcommunity.microsoft.com/blog/exchang...

#MSExchange #Hybrid #LastExchangeServer
Introducing Cloud-Managed Remote Mailboxes: a Step to Last Exchange Server Retirement | Microsoft Community Hub
We are excited to announced a feature that enables cloud management of email properties for users with remote mailboxes.  
techcommunity.microsoft.com
August 20, 2025 at 1:49 PM
schnoll.bsky.social
FYI, temporary pause on the first planned temporary enforcement of the dedicated Hybrid app.

See the banner at techcommunity.microsoft.com/blog/exchang....

#MSExchange #Hybrid #Security
Dedicated Hybrid App: temporary enforcements, new HCW and possible hybrid functionality disruptions | Microsoft Community Hub
We are announcing enforcements to move customers along to using the dedicated hybrid app.
techcommunity.microsoft.com
August 18, 2025 at 3:10 PM
schnoll.bsky.social
The first SU for Exchange Server SE is available.

Released: August 2025 Exchange Server Security Updates - techcommunity.microsoft.com/blog/exchang...

#MSExchange #Securty #Announcement
Released: August 2025 Exchange Server Security Updates | Microsoft Community Hub
We have released Security Updates for Exchange Server SE, Exchange Server 2019 and Exchange Server 2016.  
techcommunity.microsoft.com
August 12, 2025 at 6:28 PM
Reposted by Scott Schnoll
msftexchange.bsky.social
Exchange Server Subscription Edition (SE) is now available | Microsoft Community Hub! 🦋
techcommunity.microsoft.com/blog/exchang...
Exchange Server Subscription Edition (SE) is now available | Microsoft Community Hub
We are excited to announce the general availability of Exchange Server Subscription Edition (SE).  
techcommunity.microsoft.com
July 1, 2025 at 7:25 PM
Reposted by Scott Schnoll
msftexchange.bsky.social
Announcing Exchange 2016 / 2019 Extended Security Update program | Microsoft Community Hub! 🦋
techcommunity.microsoft.com/blog/exchang...
Announcing Exchange 2016 / 2019 Extended Security Update program | Microsoft Community Hub
We are announcing an optional 6-month Extended Security Update (ESU) program for Exchange 2016 and 2019.  
techcommunity.microsoft.com
July 15, 2025 at 9:00 PM
Reposted by Scott Schnoll
msftexchange.bsky.social
Use GitHub Copilot to help speed up your transition from EWS | Microsoft Community Hub! 🦋
techcommunity.microsoft.com/blog/exchang...
Use GitHub Copilot to help speed up your transition from EWS | Microsoft Community Hub
We wanted to let you know about AI powered tools to help you migrate your EWS apps before Exchange Online EWS deprecation.
techcommunity.microsoft.com
July 30, 2025 at 7:48 PM
Reposted by Scott Schnoll
msftexchange.bsky.social
What is Direct Send and how to secure it | Microsoft Community Hub! 🦋
techcommunity.microsoft.com/blog/exchang...
What is Direct Send and how to secure it | Microsoft Community Hub
If you wanted to learn more about the Direct Send feature, this is the post for you!
techcommunity.microsoft.com
August 4, 2025 at 4:07 PM
Reposted by Scott Schnoll
msftexchange.bsky.social
Dedicated Hybrid App: temporary enforcements, new HCW and possible hybrid functionality disruptions | Microsoft Community Hub! 🦋
techcommunity.microsoft.com/blog/exchang...
Dedicated Hybrid App: temporary enforcements, new HCW and possible hybrid functionality disruptions | Microsoft Community Hub
We are announcing enforcements to move customers along to using the dedicated hybrid app.
techcommunity.microsoft.com
August 6, 2025 at 4:19 PM
Reposted by Scott Schnoll
msftexchange.bsky.social
Direct Send vs sending directly to an Exchange Online tenant | Microsoft Community Hub! 🦋
techcommunity.microsoft.com/blog/exchang...
Direct Send vs sending directly to an Exchange Online tenant | Microsoft Community Hub
This post discusses what Direct Send is, is not, and how to help control email sent directly to your tenant.
techcommunity.microsoft.com
August 6, 2025 at 10:03 PM
schnoll.bsky.social
Microsoft customer guidance for SharePoint Server vulnerability CVE-2025-53770 - msrc.microsoft.com/blog/2025/07...

This does not affect SharePoint Online.

#SharePointServer #security #zerodaythreat
Customer guidance for SharePoint vulnerability CVE-2025-53770 | MSRC Blog | Microsoft Security Response Center
Customer guidance for SharePoint vulnerability CVE-2025-53770
msrc.microsoft.com
July 21, 2025 at 12:59 AM
schnoll.bsky.social
Breaking News! Announcing Exchange 2016 / 2019 Extended Security Update (ESU) program!

Note this is not extended support; it's extended security updates for 6 months.

techcommunity.microsoft.com/blog/exchang...

#MSExchange #ESU #Announcement
Announcing Exchange 2016 / 2019 Extended Security Update program | Microsoft Community Hub
We are announcing an optional 6-month Extended Security Update (ESU) program for Exchange 2016 and 2019.  
techcommunity.microsoft.com
July 15, 2025 at 9:12 PM
schnoll.bsky.social
Today's the day! Exchange Server SE and Skype for Business Server SE have both been released!

Blog post announcements:

techcommunity.microsoft.com/blog/exchang...

techcommunity.microsoft.com/blog/skype_f...

#MSExchange #Skype4BusinessServer #RTM #Announcement
Exchange Server Subscription Edition (SE) is now available | Microsoft Community Hub
We are excited to announce the general availability of Exchange Server Subscription Edition (SE).  
techcommunity.microsoft.com
July 1, 2025 at 7:32 PM