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Exchange Team Blog

You Had Me at EHLO..

  • 1,889 Blog Articles
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1,407

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...
3,750

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.
8,589

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...
6,937

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.
34.5K

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...
17.6K

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...
9,842

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).
22.8K

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...
19.7K

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...
10.3K

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 ...
167K

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.
7,160

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...
86K

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...
36.1K

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...
9,006

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...
28K

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 ...
13.3K

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 ...
14.9K

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...
9,578

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 ...
82.3K

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.
7,199

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...
9,608

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...
12.8K

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...
17.6K

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.
20.4K

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...
11.6K

Why Exchange Server updates matter

The_Exchange_Team on Apr 26 2021 03:00 AM
Why does it matter if you keep your Exchange Server updated, or not? What does it mean to be on a 'supported version' of...
22.4K

Enabling Modern Auth for Outlook – How Hard Can It Be?

The_Exchange_Team on Apr 19 2021 01:52 PM
Modern Authentication, based on OAuth2, has a lot of advantages and benefits as we have covered before, and we’ve yet to...
373K

Released: April 2021 Exchange Server Security Updates

The_Exchange_Team on Apr 13 2021 10:01 AM
We are releasing a set of security updates for Exchange Server 2013, 2016 and 2019.
49.8K

Native external sender callouts on email in Outlook

The_Exchange_Team on Apr 02 2021 06:20 AM
We know that some of our customers leverage Exchange transport rules to prepend subject line or insert the message body ...
9,454

Block BCC Messages to Distribution Groups in Exchange Online

The_Exchange_Team on Mar 25 2021 07:20 AM
Email distribution groups (DGs) are great for easily sharing information or engaging in discussions with a large group o...

Latest Comments

Raevmiza
in Delay of September 2021 Cumulative Update for Exchange Server on Sep 23 2021 05:40 PM
Because of this I just checked our CU on the Exchange Server. What I see I two different thingsThe healthcheck generates this output: Exchange: Exchange 2016 CU18Build Number: 15.1.2308.8Exchange IU or Security Hotfix DetectedSecurity Update for Exchange Server 2016 Cumulative Update 21 (KB5004779)S...
0 Likes
Mike Crowley
in Basic Authentication and Exchange Online – September 2021 Update on Sep 23 2021 03:38 PM
Peel this band-aid off already!
1 Likes
kDylanHayes
in Basic Authentication and Exchange Online – September 2021 Update on Sep 23 2021 03:22 PM
Thank you guys for going back to the hardline stance. This is fantastic news and gets my full support, keep it up Microsoft!
1 Likes
AdityaMukund
in Deprecation of the classic Exchange admin center in WW service on Sep 22 2021 08:40 PM
@BrianAdmin : You will be able to manage these features, yes, but not from Exchange Admin Center. These features will be moving with 100% parity to Compliance Center. cc: @robertoy
1 Likes
BrianAdmin
in Deprecation of the classic Exchange admin center in WW service on Sep 22 2021 09:30 AM
Am I going to be able to manage existing Exchange MRM/Retention Policies/Tags when classic Exchange admin retires? Or do I have to move to Labels/Retention policies?
1 Likes