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Exchange Team Blog

You Had Me at EHLO..
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2,124

Troubleshooting Cross-Tenant Mailbox Migrations

The_Exchange_Team on Jun 28 2024 06:42 AM
A comprehensive reference for troubleshooting native Cross-Tenant mailbox migrations.
3,326

Update on the Deprecation of Admin Audit Log Cmdlets

The_Exchange_Team on Jun 20 2024 09:50 AM
There is an update on the Deprecation of Admin Audit Log Cmdlets.
9,369

Introduction to Cross-Tenant Mailbox Migrations

The_Exchange_Team on Jun 17 2024 07:17 AM
We wanted to share more detail around the cross-tenant mailbox migration process.
10.3K

Enhanced Filtering for Connectors - Improving Deliverability and Minimizing False Positives

The_Exchange_Team on Jun 05 2024 05:58 AM
We’re rolling out an update that will reclassify messages with authentication issues and reduce false positives.
106K

Exchange Server Roadmap Update

Scott Schnoll on May 07 2024 08:00 AM
Today, we are providing an update on our product roadmap for Microsoft Exchange Server, and our next milestones in the E...
72.2K

Released: April 2024 Exchange Server Hotfix Updates

The_Exchange_Team on Apr 23 2024 10:02 AM
We have released Hotfix Updates for Exchange Server 2016 and Exchange Server 2019.
69.2K

Exchange Online to retire Basic auth for Client Submission (SMTP AUTH)

The_Exchange_Team on Apr 15 2024 10:21 AM
Today, we are announcing that Exchange Online will permanently remove support for Basic authentication with Client Submi...
49K

Exchange Online to introduce External Recipient Rate Limit

The_Exchange_Team on Apr 15 2024 10:09 AM
Today, we are announcing that, beginning in January 2025, Exchange Online will begin enforcing an external recipient rat...
12.3K

Review an upcoming authentication change for Outlook add-ins

The_Exchange_Team on Apr 09 2024 01:09 PM
Please review the upcoming Exchange Online authentication requirements for Outlook add-ins.
65.7K

Public Preview: High Volume Email for Microsoft 365

The_Exchange_Team on Apr 01 2024 11:11 AM
Today we’re thrilled to announce the public preview of High Volume Email (HVE) for Microsoft 365.
9,343

Securing resources by tailoring Exchange Online RBAC (Part 2)

The_Exchange_Team on Mar 28 2024 02:27 PM
How to assign your customer RBAC roles and verify the results.
8,875

Securing resources by tailoring Exchange Online RBAC (Part 1)

The_Exchange_Team on Mar 26 2024 12:43 PM
How to create custom RBAC roles in Exchange Online and why you'd want to.
68.9K

‘Last Exchange Server’ Scenario Feedback

The_Exchange_Team on Mar 21 2024 06:53 AM
We wanted to ask some questions about management of your Exchange organization and recipients.
222K

Released: March 2024 Exchange Server Security Updates

The_Exchange_Team on Mar 12 2024 10:06 AM
We have released Security Updates for Exchange Server 2016 and Exchange Server 2019.
8,522

How to troubleshoot mail flow rules used to inspect attachments

The_Exchange_Team on Mar 08 2024 09:16 AM
This blog will delve into some common issues encountered with attachment-related mail flow rules.
11.8K

Introducing PS.MTA-STS: a PowerShell module to enhance mail flow security with MTA-STS

The_Exchange_Team on Mar 04 2024 09:44 AM
Learn how to use this open-source module to configure and test MTA-STS for your Exchange Online domains in a few steps.
79.6K

Retirement of RBAC Application Impersonation in Exchange Online

The_Exchange_Team on Feb 20 2024 01:06 PM
We wanted to announce deprecation plans for ApplicationImpersonation role in Exchange Online.
9,126

Final Reminder: Outlook REST API v2.0 and beta endpoints decommissioning

The_Exchange_Team on Feb 15 2024 09:17 AM
An update on Outlook REST API v2.0 and beta endpoints decommissioning process.
185K

Released: 2024 H1 Cumulative Update for Exchange Server

The_Exchange_Team on Feb 13 2024 10:03 AM
Today we are announcing the availability of Cumulative Update for Exchange Server 2019.
22.4K

Hybrid Configuration Wizard with granular configuration feature is now available

The_Exchange_Team on Jan 24 2024 04:59 AM
Today, we are happy to announce the latest release of Hybrid Configuration Wizard (HCW).
12.6K

MFA App ID deprecation in Exchange Online

The_Exchange_Team on Jan 22 2024 06:46 AM
We wanted to inform you of an important update regarding MFA App ID (Microsoft Exchange Online Remote PowerShell App ID)...
28.1K

Mainstream Support for Exchange Server 2019 Ends Today

Scott Schnoll on Jan 09 2024 08:54 AM
Exchange Server 2019 has entered the extended support phase of its lifecycle.
1.3M

How to pause throttling and blocking of out-of-date on-premises Exchange Servers

The_Exchange_Team on Dec 12 2023 03:13 PM
We wanted to share how to temporarily pause throttling and blocking of out-of-date on-premises Exchange Servers, if they...
18.8K

How to troubleshoot Exchange Online Transport Rules using the Test-Message cmdlet

The_Exchange_Team on Dec 04 2023 09:53 AM
We wanted to talk about how to use the recently updated Test-Message cmdlet in Exchange Online PowerShell.
29.2K

Servicing Exchange Server 2019

The_Exchange_Team on Nov 21 2023 08:34 AM
We wanted to provide an update on servicing Exchange Server 2019.
83.7K

Released: November 2023 Exchange Server Security Updates

The_Exchange_Team on Nov 14 2023 10:02 AM
We have released Security Updates for Exchange Server 2016 and Exchange Server 2019.
29.7K

Choosing and Troubleshooting Exchange Online Mailbox Migrations

The_Exchange_Team on Nov 09 2023 06:45 AM
This post will help you understand various types of Exchange Online migration options and related information.
15.8K

Reducing Memory Consumption of the Exchange Online PowerShell V3 Module

The_Exchange_Team on Nov 01 2023 08:35 AM
Tips on how to reduce the memory consumption of the PowerShell V3 module and optimize your scripts for better efficiency...
11.1K

Auditing Deletions of Exchange Online Public Folders

The_Exchange_Team on Oct 26 2023 11:43 AM
We are very glad to announce new auditing feature added to Exchange Online public folders.
14.8K

How users access public folders and what to do when they cannot access them?

The_Exchange_Team on Oct 24 2023 12:33 PM
We wanted to share some support tips on troubleshooting Exchange Online public folder access issues.

Latest Comments

FernandoGualano
in Public Preview: High Volume Email for Microsoft 365 on Jul 02 2024 01:47 PM
Hello! We have a Conditional Access policy that blocks Legacy Authentication (https://learn.microsoft.com/en-us/entra/identity/conditional-access/howto-conditional-access-policy-...). I understand that HVE accounts continue to use Basic Authentication. Do I need to add those accounts as an exception...
0 Likes
FernandoGualano
in Exchange Online to retire Basic auth for Client Submission (SMTP AUTH) on Jul 02 2024 01:39 PM
Hello! We have a Conditional Access policy that blocks Legacy Authentication (https://learn.microsoft.com/en-us/entra/identity/conditional-access/howto-conditional-access-policy-block-legacy). According to @IanMcDonald, HVE accounts continue to use Basic Authentication. Do I need to add those accoun...
0 Likes
alverdiyev
in Let's talk about Server Extension Objects (SEO) on Jul 02 2024 10:01 AM
wow! thx man seo xidmeti The SEO information looks a little nicer. We have a bit more context given to the GUIDs, and we can see all of the properties and their values. All of the other information under /smtpsvc/1/eventmanager/ is there for the same purpose, to describe event bindings.
0 Likes
SevenOfNine
in Addressing Your Feedback on the Exchange Emergency Mitigation Service on Jul 02 2024 12:23 AM
Since around 15.06.2024 monitoring the exchange mitigation service is annoying, because almoust every day one of our servers gets an InternalServerError while connection to the Microsoft Servers. Hey Microsoft, what is going on on your side? Why are your servers so unstable suddenly? Please fix! Exc...
0 Likes
KevinShaughnessy
in How to pause throttling and blocking of out-of-date on-premises Exchange Servers on Jul 01 2024 08:46 PM
@Andreas_W70 thanks for reporting that really odd behavior RE prod.outlook.com servers that aren't yours. We found that a recent report code update inadvertently exposed this issue WRT messages that route out->in again, e.g. scenarios like a signature service, just like you surmised good sleuthing! ...
0 Likes