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Exchange Team Blog

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16.9K

Protect Your Exchange Servers

The_Exchange_Team on Jan 26 2023 01:08 PM
We’ve said it before, we’re saying it now, and we’ll keeping saying it: it is critical to keep your Exchange servers upd...
8,227

Introducing Support for Concurrent Exchange Online License Assignments

The_Exchange_Team on Jan 20 2023 06:54 AM
We recently enabled a new feature in Office 365, which allows tenant admins to assign more than one Exchange Online lice...
8,838

Help us Improve the Exchange Server Update Experience

The_Exchange_Team on Jan 19 2023 11:40 AM
We’re looking into ways in which we can improve the experience of installing Exchange Server Cumulative Updates (CUs) an...
4,199

Content Search for Targeted Collection of Inactive Mailbox Data

The_Exchange_Team on Jan 18 2023 12:52 PM
How can you use Content Search to retrieve Inactive mailbox data? Read on!
7,551

Exchange Server 2013 End of Support Coming Soon

Scott Schnoll on Jan 12 2023 11:40 AM
Exchange Server 2013 will reach End of Support on April 11, 2023, which is less than 90 days away!
66.9K

Released: January 2023 Exchange Server Security Updates

The_Exchange_Team on Jan 10 2023 10:01 AM
We are releasing a set of security updates for Exchange Server 2013, 2016 and 2019.
8,517

New opt-in endpoint for POP3/IMAP4 clients that need legacy TLS

The_Exchange_Team on Jan 06 2023 07:17 AM
We have created an opt-in endpoint for POP3/IMAP4 clients still requiring TLS1.0 and TLS1.1.
86.5K

Basic Authentication Deprecation in Exchange Online – Time’s Up

The_Exchange_Team on Dec 20 2022 11:19 AM
In early January 2023, we will permanently turn off Basic auth for multiple protocols for many Exchange Online tenants.
25.4K

Announcing Deprecation of Remote PowerShell (RPS) Protocol in Exchange Online PowerShell

The_Exchange_Team on Dec 15 2022 07:06 AM
Today, we are announcing that starting June 1, 2023, we will start blocking RPS connections to Exchange Online and will ...
9,478

Notes from the field: Using app-only authentication with customized RBAC roles in Exchange Online

The_Exchange_Team on Dec 05 2022 07:33 AM
Switching non-interactive Exchange Online PowerShell logons to OAuth.
12.3K

Announcing Public Preview of Role Based Access Control for Applications in Exchange Online

The_Exchange_Team on Dec 01 2022 02:58 PM
Today, we are excited to announce the Public Preview of Role Based Access Control for Applications in Exchange Online.
8,204

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.
28.8K

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.
15.7K

Servicing Exchange Server

The_Exchange_Team on Nov 15 2022 12:03 PM
We wanted to provide several updates related to servicing Exchange Server.
98.4K

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.
16K

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.
22.2K

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.
10K

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...
58.3K

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.
22.9K

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.
181K

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...
87.8K

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 ...
12.4K

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.
24.3K

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.
9,874

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...
13K

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 ...
8,853

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
6,014

#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...
830K

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...
17.3K

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...

Latest Comments

Greg Taylor - EXCHANGE
in Microsoft and Apple Working Together to Improve Exchange Online Security on Feb 02 2023 03:09 PM
@jasonhuang1991 - we are aware of this, and are working with Azure and Apple on a resolution. Watch MC in your 21V tenant for updates.
0 Likes
David_George
in How to configure the new Room Finder in Outlook on Feb 02 2023 11:31 AM
Room Finder is useless. Is there a way to just make it use existing values for City, etc? Specifically to use the values that were set onprem in AD. Having to break out powershell to set the same values, AGAIN, is ridiculous and a waste. Sloppy programming. Poor design. Has to be said.
0 Likes
NGDUB1870
in Released: January 2023 Exchange Server Security Updates on Feb 02 2023 10:02 AM
Hi, I enabled serialization on one server to test a couple of weeks ago and now deploying to the remainder. I utilized the per server implementation: Per-server base: New-SettingOverride -Name "EnableSigningVerification" -Component Data -Section EnableSerializationDataSigning -Parameters @("Enabled=...
0 Likes
Marc4056
in Released: January 2023 Exchange Server Security Updates on Feb 02 2023 09:22 AM
It looks like "Certificate Signing of PowerShell Serialization Payload" also affects connections from servers with exchange management tools only to Exchange @Thomas Stensitzki After enabling "Certificate Signing of PowerShell Serialization Payload" some of my scripts on a server with exchange manag...
0 Likes
toddnelson-work
in Announcing Deprecation of Remote PowerShell (RPS) Protocol in Exchange Online PowerShell on Feb 02 2023 09:13 AM
@AdityaMukund and @The_Exchange_Team, thanks for the confirmation. Yes, still seeing the "Attention!" banner. I sent an email with details.
0 Likes