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Exchange Team Blog

You Had Me at EHLO..

  • 1,894 Blog Articles
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21.1K

Released: October 2021 Exchange Server Security Updates

The_Exchange_Team on Oct 12 2021 10:00 AM
We are releasing a set of security updates for Exchange Server 2013, 2016 and 2019.
7,152

Upcoming API Deprecations in Exchange Web Services for Exchange Online

The_Exchange_Team on Oct 05 2021 10:05 AM
Today, we are announcing that we are going to remove the ability to create new Exchange Web Services apps starting Septe...
15.7K

Addressing Your Feedback on the Exchange Emergency Mitigation Service

The_Exchange_Team on Oct 01 2021 10:20 AM
We want to address some of the initial feedback we’ve received about EEMS, which we’re thrilled to say has been very pos...
40K

Released: September 2021 Quarterly Exchange Updates

The_Exchange_Team on Sep 28 2021 08:01 AM
Today we are announcing the availability of quarterly Cumulative Updates (CUs) for Exchange Server 2016 and Exchange Ser...
47.7K

New security feature in September 2021 Cumulative Update for Exchange Server

The_Exchange_Team on Sep 24 2021 11:54 AM
As part of our continued work to help you protect your Exchange Servers, in the September 2021 Cumulative Update CU we h...
82.6K

Basic Authentication and Exchange Online – September 2021 Update

The_Exchange_Team on Sep 23 2021 02:55 PM
Today, we are announcing that, effective October 1, 2022, we will begin to permanently disable Basic Auth in all tenants...
8,793

New minimum Outlook for Windows version requirements for Microsoft 365 starting November 1, 2021

Nino Bilic on Sep 20 2021 07:26 AM
Please be aware of new minimum Outlook for Windows version requirements for Microsoft 365 starting November 1, 2021.
13.8K

Delay of September 2021 Cumulative Update for Exchange Server

The_Exchange_Team on Sep 17 2021 08:05 AM
We typically release Cumulative Updates (CUs) for Exchange Server on the third Tuesday of a month. In September 2021, th...
9,580

Deprecation of the classic Exchange admin center in WW service

The_Exchange_Team on Sep 09 2021 06:42 AM
We are announcing the retirement of the classic EAC in our WW deployment, to be fully deprecated by September 30, 2022.
40.2K

ProxyShell vulnerabilities and your Exchange Server

The_Exchange_Team on Aug 25 2021 10:51 AM
If you have installed the May 2021 security updates or the July 2021 security updates on your Exchange servers, then you...
23.2K

New opt-in endpoint available for SMTP AUTH clients still needing legacy TLS

The_Exchange_Team on Aug 18 2021 02:11 AM
Due to significant usage, we’ve created an opt-in endpoint that legacy clients can use with TLS1.0 and TLS1.1 in our sha...
13.7K

Sender Rewriting Scheme Upcoming Changes

The_Exchange_Team on Aug 10 2021 09:12 AM
There are three upcoming changes in the service that will affect Sender Rewriting Scheme (SRS).
24.6K

How to update AD schema to address CVE-2021-34470 if Exchange is very old or no longer installed

The_Exchange_Team on Aug 05 2021 12:54 PM
In this blog post, we want to address how to update Exchange schema for CVE-2021-34470 even if Exchange is not installed...
23.8K

More about AMSI integration with Exchange Server

The_Exchange_Team on Jul 22 2021 07:00 AM
As of the June 2021 quarterly updates, Exchange Server supports integration with AMSI...
11K

Demystifying Moderation

The_Exchange_Team on Jul 20 2021 07:53 AM
Moderation is simple to setup and work with as an administrator, however if you need to troubleshoot it, you might need ...
182K

Released: July 2021 Exchange Server Security Updates

The_Exchange_Team on Jul 13 2021 10:32 AM
We are releasing a set of security updates for Exchange Server 2013, 2016 and 2019.
7,448

Google Workspace to Exchange Online migrations now support Gmail Filter to Outlook rule migration

The_Exchange_Team on Jul 06 2021 07:11 AM
We have added the capability to migrate Gmail filters to Outlook rules migration, as a part of the standard migration of...
92.1K

Released: June 2021 Quarterly Exchange Updates

The_Exchange_Team on Jun 29 2021 08:03 AM
Today we are announcing the availability of quarterly Cumulative Updates (CUs) for Exchange Server 2016 and Exchange Ser...
58.8K

Basic Authentication and Exchange Online – June 2021 Update

The_Exchange_Team on Jun 16 2021 01:08 PM
It’s been a few months since our last update on Basic Authentication in Exchange Online, but we’ve been busy getting rea...
9,415

Did you know? Automated diagnostics are available to troubleshoot various Office 365 issues.

Nino Bilic on Jun 15 2021 11:37 AM
I wanted to share information about automated diagnostics that our customers can run inside of the Microsoft 365 admin c...
29.1K

News About the June 2021 Cumulative Update for Exchange Server

The_Exchange_Team on Jun 11 2021 08:40 AM
We typically release our quarterly CUs for Exchange Server on the third Tuesday of a month. In June 2021, that would be ...
14.7K

Migrations with Data Consistency Score (DCS) – more than you ever wanted to know!

The_Exchange_Team on May 27 2021 01:37 PM
We wanted to provide a lot of detail of what makes Data Consistency Score (DCS) Exchange Online migrations work, how to ...
15.3K

Outlook for Windows Shared Calendar Public Notifications

The_Exchange_Team on May 26 2021 01:16 PM
It is with great excitement that we are announcing that we have graduated the shared calendar improvements in Outlook fo...
9,874

Prevent Journaling issues due to Exchange Online mailbox receiving limits

Scott Schnoll on May 13 2021 03:45 PM
As part of our continued efforts to help customers be successful with Exchange Online, Microsoft has detected that some ...
84.3K

Released: May 2021 Exchange Server Security Updates

The_Exchange_Team on May 11 2021 09:54 AM
We are releasing a set of security updates for Exchange Server 2013, 2016 and 2019.
7,572

Troubleshooting Legacy Public Folder Migration Endpoints in Office 365

The_Exchange_Team on May 06 2021 10:59 AM
In this blog post, we discuss issues when creating public folder migration endpoints for Exchange 2010 on-premises publi...
9,982

Reply All Storm Protection Customizable Settings

The_Exchange_Team on May 05 2021 12:28 PM
Last year we released the Reply-all Storm Protection feature to help protect your organization from unwanted reply-all s...
14.3K

Loop Prevention in Exchange Online Demystified

The_Exchange_Team on May 03 2021 06:45 AM
With this blog post we will give you an overview of how we handle possible mail loop scenarios in Exchange Online and ho...
19K

Exchange Health Checker has a new home

The_Exchange_Team on Apr 29 2021 06:20 AM
We wanted to give you an update on Exchange Health Checker script.
20.9K

Announcing General Availability of the new Exchange admin center

Scott Schnoll on Apr 27 2021 08:35 PM
Today, we are excited to announce that the new EAC is now generally available for customers (including GCC customers) in...

Latest Comments

Jonas Back
in Upcoming API Deprecations in Exchange Web Services for Exchange Online on Oct 21 2021 02:42 PM
@The_Exchange_Team Care to comment on the request for providing more insights in which APIs used by what? Or do we have to guess? :smiling_face_with_smiling_eyes:
0 Likes
Mike_T2112
in Upcoming API Deprecations in Exchange Web Services for Exchange Online on Oct 21 2021 02:24 PM
For those looking for a text-based list of these APIs: CopyFolderCreateUMPromptDeleteBookingServiceDeleteBookingStaffDeleteUMPromptsFindAvailableMeetingTimesFindMessageTrackingReportGetDiscoverySearchConfigurationGetPeopleInsightsGetUMCallDataRecordsGetUMCallSummaryGetUMPinGetUMPromptNamesNewBooking...
0 Likes
mrizzi2
in Released: July 2021 Exchange Server Security Updates on Oct 21 2021 02:57 AM
Hello Team, with regards to Exchange 2013, does /prepareschema require any downtime of the Exchange Server so that it is advised to make these changes during a maintenance window or outside of production hours ? Thanks and Regrads, Massimiliano
0 Likes
Vlady60
in Released: October 2021 Exchange Server Security Updates on Oct 21 2021 12:37 AM
Dear The Exchange Team,I had a problem installing KB5007012 for CU21 for Exchange server 2016. After initial troubleshooting I decided to install CU22 for Exchange Server 2016 rather than repeating to install the update concerned - hoped to overcome the problem in this manner. Checking for new updat...
0 Likes
notanewbie
in Block BCC Messages to Distribution Groups in Exchange Online on Oct 20 2021 04:20 PM
If you are going to facilitate blocking BCC usage (which, while it is considered "bad etiquette" is still very necessary to block email storms in many user bases), then please provide similar switches for the TO and CC lines. Those two switches would be much more useful to many domains than blocking...
0 Likes