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Exchange Team Blog

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1,567

Basic Auth and Exchange Online – February 2020 Update

The_Exchange_Team on 02-25-2020 07:00 AM
We’re pleased to provide an update today and to try and answer some of the questions we’ve received since our first post...
3,575

Customizable Recipient Limits in Office 365

The_Exchange_Team on 02-19-2020 01:50 PM
Office 365 tenant admins can now customize the Recipient Limits setting from 1 to 1000. Admins can make changes either v...
14.7K

Exchange Server and SMBv1

The_Exchange_Team on 02-12-2020 07:00 AM
To make sure that your Exchange organization is better protected against the latest threats (for example Emotet, TrickBo...
3,082

Calendaring is Really Hard to Code and That’s Why You Were An Hour Late to that Meeting

The_Exchange_Team on 02-11-2020 07:00 AM
Writing code for calendaring features is hard. You finally figure out a good time for your team to meet and then one of ...
5,334

How to address Federation Trust issues in Hybrid Configuration Wizard (HCW)

The_Exchange_Team on 01-31-2020 09:18 AM
Federation trust is a mandatory step in the on-premises Exchange organizations when configuring Full hybrid deployments,...
7,581

Exchange and SameSite Updates

The_Exchange_Team on 01-24-2020 10:12 AM
The Stable release of the Google Chrome web browser scheduled for release beginning February 17, 2020 features a change ...
6,514

Transport database: understand, size and troubleshoot

The_Exchange_Team on 01-16-2020 11:03 AM
Let's talk about your transport database: what impacts it's size, as well as how to troubleshoot it.
6,458

Improving Migrations Using Data Consistency Scoring

The_Exchange_Team on 01-13-2020 11:51 AM
The O365 migration team has been working on improvements to the way we detect inconsistencies or data loss during migrat...
26.7K

Released: December 2019 Quarterly Exchange Updates

The_Exchange_Team on 12-17-2019 08:00 AM
Today we are announcing the availability of quarterly servicing cumulative updates for Exchange Server 2016 and 2019. Th...
14.4K

FAQs from Exchange and Outlook booths at 2019 Microsoft Ignite

The_Exchange_Team on 12-06-2019 12:32 PM
During Microsoft Ignite, we heard a lot of different questions in Exchange and Outlook booths. Here are top questions an...
10.3K

Significant update to "Exchange AD Deployment Site" post

Nino Bilic on 12-06-2019 11:00 AM
One of more popular on-premises blog posts on our blog is a post called Exchange Active Directory Deployment Site. Check...
10.5K

Upcoming change in the way migration batches for public folders are created

The_Exchange_Team on 12-04-2019 09:06 AM
A new mandatory parameter, SourcePfPrimaryMailboxGuid, is being added to the New-MigrationBatch command for public folde...
7,589

The case of constant OAB generation and full OAB downloads

The_Exchange_Team on 11-25-2019 09:35 AM
We wanted to walk through a support case study to help illustrate the OAB (Offline Address Book) generation process and ...
12.5K

Updated: Running PowerShell cmdlets for large numbers of users in Office 365

The_Exchange_Team on 11-11-2019 12:59 PM
Back in 2015, I developed a PowerShell script Start-RobustCloudCommand.ps1 to help Exchange Admins that were moving to E...
19.8K

Exchange Transport News from Microsoft Ignite 2019

The_Exchange_Team on 11-07-2019 12:15 PM
At Microsoft Ignite 2019 the Transport team showcased how the cloud improves the email experience for end-users and emai...
25.6K

Exchange Admin Improvements Announced at Microsoft Ignite 2019

The_Exchange_Team on 11-05-2019 06:00 AM
Today at Microsoft Ignite in Orlando we announced several changes that we hope will help Exchange Online Administrators ...
7,907

Ignite 2019 – 7 Days and Counting

The_Exchange_Team on 10-28-2019 05:00 AM
Just one week from today Microsoft Ignite 2019 will be underway.  
13.1K

Troubleshooting Hybrid Migration Endpoints in Classic and Modern Hybrid

The_Exchange_Team on 10-25-2019 09:04 AM
In our previous blog post we covered an overview of what migration endpoints are, how to find them and what makes them t...
6,118

Help us scale public folder hierarchy in Exchange Online

The_Exchange_Team on 10-21-2019 09:49 AM
We would like to have Exchange Online customers (who would like to participate in a preview program) help us improve the...
10.8K

Making your public folder migrations faster and more reliable

The_Exchange_Team on 10-17-2019 06:59 AM
The key for a successful migration (of any type) is to ensure that source data is in a healthy condition. Public folder ...
13.5K

Understanding Hybrid Migration Endpoints in Classic and Modern Hybrid

The_Exchange_Team on 10-16-2019 11:34 AM
In this blog post we will discuss hybrid migration endpoints in both Classic and Modern hybrid topologies, explain what ...
46.4K

Changes to File Types Blocked in Outlook on the web

The_Exchange_Team on 09-25-2019 07:04 AM
We will soon be adding several additional file extensions to the BlockedFileTypes property of existing OwaMailboxPolicy ...
54.3K

Improving Security - Together

The_Exchange_Team on 09-20-2019 07:00 AM
For many years, client apps have used Basic Authentication to connect to servers, services and endpoints. It is enabled ...
23.1K

Exchange On-Premises Best Practices for Migrations from 2010 to 2016

The_Exchange_Team on 09-18-2019 07:00 AM
We have had some requests for guidance on moving from on-premises Exchange 2010 to 2016. If you have a hybrid configurat...
26.9K

Released: September 2019 Quarterly Exchange Updates

The_Exchange_Team on 09-17-2019 08:00 AM
Today we are announcing the availability of quarterly servicing cumulative updates for Exchange Server 2016 and 2019.
41.9K

Microsoft Extending End of Support for Exchange Server 2010 to October 13th, 2020

The_Exchange_Team on 09-16-2019 07:00 AM
We are extending the end of support for Exchange Server 2010 from January 14th 2020 to October 13th 2020. Read more here...
15.8K

My user has a mailbox both on-premises and in Exchange Online. Help!

The_Exchange_Team on 09-11-2019 06:00 AM
In support, we hear from people in this “duplicate mailbox” situation relatively often. When this happens, our customers...
21.6K

Exchange Online Improvements to Accelerate Replication of Changes to Azure Active Directory

The_Exchange_Team on 09-09-2019 07:00 AM
As part of continued improvements to the Exchange Online service, we are releasing an improvement to the User object man...
27.1K

Easier Room Booking in Outlook on the Web!

The_Exchange_Team on 07-31-2019 10:07 AM
We are releasing features that make it easier to find and identify the room you need, and new features to help you manag...
11.7K

Manage Authentication Sessions in Outlook on the web with Azure AD Conditional Access

The_Exchange_Team on 07-15-2019 10:52 AM
Learn how to control how often users need to enter their authentication credentials
Latest Comments
Greg Taylor - EXCHANGE
in Basic Auth and Exchange Online – February 2020 Update on 02-25-2020
@Jamie BRANDWOOD - https://techcommunity.microsoft.com/t5/exchange-team-blog/scoping-microsoft-graph-application-permissions-to-specific/ba-p/671881
1 Likes
Jamie BRANDWOOD
in Basic Auth and Exchange Online – February 2020 Update on 02-25-2020
When creating applications which use EWS to access mailbox data etc. with OAuth2. How can i go about scoping what mailboxes this account has access to? Today we can either use a recipient filter scope as part of a management role assignment for application impersonation use cases. Or we can simply g...
0 Likes
ChrisAtMaf
in Basic Auth and Exchange Online – February 2020 Update on 02-25-2020
The elephant in the room here is that disabling Basic Authentication for Exchange ActiveSync will break almost every Android phone connecting to Office 365 that is using the native Mail app - with the exception of Samsung devices, which support modern authentication.'Finally, we’ll address Exchange ...
0 Likes
Peter Forster
in Basic Auth and Exchange Online – February 2020 Update on 02-25-2020
Hi, great write up - but:October 2020 is in about 7 months. You state about PowerShell Connections:We’re still working hard on the code, have some customers working on this with us already, and will have more to say on this in the next couple of monthsSo another couple of months later you will disab...
1 Likes
Robert_Blissitt1930
in Released: December 2019 Quarterly Exchange Updates on 02-24-2020
@The_Exchange_Team, it looks like a feature that became broken in CU14 is still broken in CU15. The eDiscovery PST export tool still throws a "FailedToLoadStatus" error. The fix that finally worked for us is described in the comments at the following page (note that it's a different Robert, not me) ...
0 Likes