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Exchange Team Blog

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1,892

Outlook REST API v2.0 and Beta deprecation update

The_Exchange_Team on Nov 23 2022 07:16 AM
We wanted to provide an update on Outlook REST API v2.0 and Beta deprecation.
15.5K

Basic Authentication Deprecation in Exchange Online – What’s Next

The_Exchange_Team on Nov 16 2022 01:40 PM
We wanted to let you know about the next chapter in our retirement of basic authentication in Exchange Online.
6,359

Servicing Exchange Server

The_Exchange_Team on Nov 15 2022 12:03 PM
We wanted to provide several updates related to servicing Exchange Server.
58K

Released: November 2022 Exchange Server Security Updates

The_Exchange_Team on Nov 08 2022 10:00 AM
We are releasing a set of security updates for Exchange Server 2013, 2016 and 2019.
10.6K

Deprecating Conversion of Distribution Lists to Microsoft 365 Groups

The_Exchange_Team on Nov 03 2022 08:43 AM
We are deprecating the toolkit for migrating Distribution Lists to Microsoft 365 Groups on February 1, 2023.
15.7K

Cross-tenant User Data Migration is Now Generally Available

The_Exchange_Team on Nov 01 2022 03:43 PM
Today, we’re thrilled to announce that cross-tenant user data migration is now generally available.
8,441

Deprecating bad item limit and large item limit migration parameters

The_Exchange_Team on Oct 13 2022 06:48 AM
The time has come to fully deprecate Bad Item Limit / Large Item Limit migration parameters and use DCS to measure and g...
53.3K

Released: October 2022 Exchange Server Security Updates

The_Exchange_Team on Oct 11 2022 10:02 AM
We are releasing a set of security updates for Exchange Server 2013, 2016 and 2019.
15.4K

Use Authentication Policies to Fight Password Spray Attacks

The_Exchange_Team on Oct 03 2022 02:19 PM
You should read this post if basic authentication is in use in your tenant for any protocol.
111K

Exchange Online email applications stopped signing in, or keep asking for passwords? Start here.

The_Exchange_Team on Oct 01 2022 07:30 AM
If your email clients stopped signing in starting October (as we disable basic authentication in Exchange Online) - this...
82.2K

Customer Guidance for Reported Zero-day Vulnerabilities in Microsoft Exchange Server

The_Exchange_Team on Sep 30 2022 12:06 AM
We have gotten several questions from our customers related to recent reports of new zero-day vulnerabilities impacting ...
10.9K

Deprecation of Client Access Rules in Exchange Online

The_Exchange_Team on Sep 27 2022 07:09 AM
Today, we are announcing the retirement of CARs in Exchange Online, to be fully deprecated by September 2023.
15.3K

Exchange Online PowerShell V3 Module General Availability

The_Exchange_Team on Sep 20 2022 06:56 AM
The Exchange Online PowerShell v3 module (the v3 module) is now Generally Available.
8,062

Notes from the field: does Outlook for Mac insist on using basic auth with Exchange Online?

The_Exchange_Team on Sep 16 2022 10:45 AM
It may be frustrating to find some Outlook for Mac clients that are up to date but still turning up in your sign-in repo...
11K

An update to the Exchange Server Extended Protection script is now available

The_Exchange_Team on Sep 15 2022 03:23 PM
We’ve released an update to the script for enabling Extended Protection on your Exchange Servers after the installation ...
8,193

Join us Sept 13-14 at the Microsoft Exchange Community (MEC) Technical Airlift

The_Exchange_Team on Sep 09 2022 08:40 AM
MEC is Back! Join us September 13-14 for this free, digital airlift dedicated to Exchange Online and Exchange Server
5,238

#WeAreMEC: IN CASE YOU MISSED IT... MEC is back September 13-14!

Scott Schnoll on Sep 07 2022 09:53 AM
It’s been a while since our last MEC, and a lot has changed since then. The MEC Technical Airlift is a free, digital eve...
701K

Basic Authentication Deprecation in Exchange Online – September 2022 Update

The_Exchange_Team on Sep 01 2022 08:00 AM
Starting on October 1st, 2022 we’re going to start to turn off basic authentication for specific protocols in Exchange O...
12.5K

Decommissioning Exchange Server 2013

The_Exchange_Team on Aug 31 2022 07:33 AM
To help Exchange 2013 customers move to a newer version of Exchange Server, here’s an overview of Exchange 2013 decommis...
6,092

Looking Into Exchange Server Disk I/O Latency Issues

The_Exchange_Team on Aug 30 2022 07:50 AM
Traditionally, disk latency is one of main areas to explore if you are seeing performance issues with Exchange Server.
6,117

Converting mailboxes already migrated to Exchange Online to Shared mailboxes

The_Exchange_Team on Aug 29 2022 08:57 AM
How do you convert mailboxes already migrated to Exchange Online to Shared mailboxes? Read on!
17.1K

Notes from the field: Using OAuth for ActiveSync and POP/IMAP in Exchange Online

The_Exchange_Team on Aug 22 2022 08:54 AM
We wanted to address two areas that prompt questions about using OAuth in Exchange Online: Exchange ActiveSync (EAS) rep...
5,974

Finding Transport Rule Size Part 2 – Regex Limit

The_Exchange_Team on Aug 11 2022 12:48 PM
We have received questions from customers who want to know how to determine the character limit for regular expressions ...
131K

Released: August 2022 Exchange Server Security Updates

The_Exchange_Team on Aug 09 2022 10:04 AM
We are releasing a set of security updates for Exchange Server 2013, 2016 and 2019.
27.7K

Announcing OAuth 2.0 Client Credentials Flow support for POP and IMAP protocols in Exchange Online

The_Exchange_Team on Jun 30 2022 11:04 AM
Today, we’re excited to announce the availability of OAuth 2.0 authentication via client credentials grant flow for the ...
13.3K

Exchange Server 2013 End of Support Reminder

Scott Schnoll on Jun 24 2022 02:03 PM
Exchange Server 2013 will reach End of Support on April 11, 2023, and we strongly recommend that you migrate from Exchan...
61.8K

Microsoft and Apple Working Together to Improve Exchange Online Security

The_Exchange_Team on Jun 16 2022 08:00 AM
Today we’re delighted to take the next step along the journey to transition away from basic auth by sharing the work we’...
12.6K

Consistently block delegates or shared mailbox members from accessing protected messages in Outlook

The_Exchange_Team on Jun 06 2022 01:58 PM
Based on customer feedback, we are introducing new Get/Set/Remove-MailboxIRMAcess cmdlets that provide admins with more ...
74.7K

Exchange Server Roadmap Update

The_Exchange_Team on Jun 02 2022 10:01 AM
We are now ready to share our long-term roadmap for Exchange Server.
17K

MEC is Back!

The_Exchange_Team on Jun 02 2022 10:00 AM
Today, we are thrilled to announce the Microsoft Exchange Community (MEC) Virtual Technical Airlift, which will take pla...

Latest Comments

rvdwegen92
in Notes from the field: Using OAuth for ActiveSync and POP/IMAP in Exchange Online on Nov 25 2022 04:46 AM
Has anyone been able to get the New-ServicePrincipal command to work? It doesn't appear to exist in the latest versions of the EXO module.
0 Likes
cnvedb
in Basic Authentication Deprecation in Exchange Online – September 2022 Update on Nov 25 2022 02:55 AM
When looking at Microsoft documentation and Exchange blog posts I am still confused on what will happen with SMTP AUTH as from 1/1/2023.I raised tickets with Microsoft Support and was in contact through the partner channel and the answers I was provided with were not clear at all. @The_Exchange_Team...
0 Likes
Hifni Nazeer
in Basic Authentication Deprecation in Exchange Online – September 2022 Update on Nov 24 2022 08:25 PM
Please clarify that SMTP Auth; meaning, I will still be able to use my existing Username and Password to authenticate over a TLS connection and subsequently send my emails as I did earlier even after the deadline? So I can do the same using System.Net.Mail.SmtpClient? Also, you all need to consider ...
0 Likes
Helli_24
in Best practices for public folder preparation before migrations on Nov 24 2022 04:56 AM
@Bhalchandra_Atre-MSFT Thanks for the post. I'm wondering how i can change the default public folder mailbox in which new public folders are created after the migration.On my on-prem servers this is always the primary hierarchy and since this mailbox should stay empty content-wise i wanna know how t...
0 Likes
emaanyaqub
in Unified Communications at Microsoft Tech·Ed North America 2010 on Nov 24 2022 04:08 AM
ProjectsComm provide bespoke Cisco & Microsoft telephony solutions for every type of business. From Pharmaceuticals and advertising companies, to manufacturers and Universities – we have over 20 years of experience in the communications technology sector, well-versed in both traditional and new ways...
0 Likes