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Exchange Team Blog

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1,230

Deprecation of Remote PowerShell in Exchange Online – Re-enabling or Extending RPS support

The_Exchange_Team on Mar 27 2023 08:18 AM
We wanted to let you know about the next chapter in our retirement of RPS protocol in Exchange Online.
17.6K

Throttling and Blocking Email from Persistently Vulnerable Exchange Servers to Exchange Online

The_Exchange_Team on Mar 23 2023 10:00 AM
We are enabling a transport-based enforcement system in Exchange Online that will notify, throttle, and block email from...
5,638

Best Practices for Migrating from Exchange Server 2013 to Exchange Server 2019

The_Exchange_Team on Mar 20 2023 09:38 AM
We wanted to provide a final overview of best practices for Migrations from Exchange Server 2013.
106K

Released: March 2023 Exchange Server Security Updates

The_Exchange_Team on Mar 14 2023 10:00 AM
We have released Security Updates for Exchange Server 2013, Exchange Server 2016, and Exchange Server 2019.
5,033

Exchange Server 2013 Reaches End of Support Next Month

The_Exchange_Team on Mar 10 2023 10:26 AM
Exchange Server 2013 reaches End of Support on April 11, 2023!
7,478

Deprecation of Remote PowerShell (RPS) for New Exchange Online Tenants

The_Exchange_Team on Mar 07 2023 08:25 AM
Today, we are announcing that starting April 1, 2023, we will start blocking RPS connections for all tenants created on ...
5,974

Troubleshooting Compliance Retention Policies in Exchange Online

The_Exchange_Team on Feb 27 2023 01:53 PM
In this post, we dig into Exchange Online Compliance Retention Policies and identify issues that you may encounter.
31.1K

Update on the Exchange Server Antivirus Exclusions

The_Exchange_Team on Feb 23 2023 12:21 PM
We are announcing a change in recommended AV exclusions on Exchange servers.
7,257

Troubleshooting Retention Policies in Exchange Online

The_Exchange_Team on Feb 22 2023 12:31 PM
In this post, we delve into Exchange Online Retention Policies and identify issues that you may encounter.
23.4K

Cloud-based Message Recall in Exchange Online

The_Exchange_Team on Feb 16 2023 08:34 AM
Today we’re thrilled to announce that the new Exchange Online Message Recall feature has arrived!
99.9K

Released: February 2023 Exchange Server Security Updates

The_Exchange_Team on Feb 14 2023 10:00 AM
We are releasing a set of security updates for Exchange Server 2013, 2016 and 2019.
8,888

Exchange Server 2013 End of Support Approaching Fast

The_Exchange_Team on Feb 13 2023 01:38 PM
Exchange Server 2013 reaches End of Support on April 11, 2023, which is less than 60 days away!
28.7K

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...
14.3K

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...
11.8K

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...
7,353

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!
10.6K

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!
91.5K

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.
18.4K

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.
114K

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.
56.2K

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 ...
10.8K

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.
14.2K

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.
8,953

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.
31K

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.
17.1K

Servicing Exchange Server

The_Exchange_Team on Nov 15 2022 12:03 PM
We wanted to provide several updates related to servicing Exchange Server.
106K

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.
19.7K

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.
26.3K

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.
11.2K

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...

Latest Comments

R_Cay
in Released: March 2023 Exchange Server Security Updates on Mar 27 2023 03:25 PM
Lucas Sassl,I received your email but I don't see your message in the blog unless you are referring to the message you sent to @B-Jon69. After reading all of the instructions, once again I'm expected to understand computer talk. I'm not an IT person, and several weeks ago another MS person, I don't ...
0 Likes
Tom_K
in Throttling and Blocking Email from Persistently Vulnerable Exchange Servers to Exchange Online on Mar 27 2023 02:50 PM
FYI: Exchange 2007 went EOL six (6) years ago next month (Exchange 2007 end of support roadmap - Microsoft 365 Enterprise | Microsoft Learn).
0 Likes
KevinShaughnessy
in Throttling and Blocking Email from Persistently Vulnerable Exchange Servers to Exchange Online on Mar 27 2023 01:15 PM
@Tony Redmond @Techresolve >>What will be the impact on third party email solutions To clarify a bit, as noted in the blog post above: "we are starting with a very small subset of outdated servers: Exchange 2007 servers that connect [emphasis mine] to Exchange Online over an inbound connector type o...
0 Likes
Tony Redmond
in Throttling and Blocking Email from Persistently Vulnerable Exchange Servers to Exchange Online on Mar 27 2023 11:20 AM
@broland Nothing can prevent people playing games, but if they do spoof headers, they run the risk that systems set up to detect bad email will consider their traffic to be prime candidates for blocking...
0 Likes
broland
in Throttling and Blocking Email from Persistently Vulnerable Exchange Servers to Exchange Online on Mar 27 2023 11:12 AM
What would prevent someone from just spoofing their SMTP headers to mimic a supported version or just stripping out the information entirely using an SMTP relay? I'm not going to do it but given all the spoofing that goes on in e-mail anyway I wouldn't think it would be too hard to defeat this.
0 Likes