Category: Exchange

January 15th, 2021 by Exchange
By now you are hopefully aware of the TLS 1.0/1.1 deprecation efforts that are underway across the industry and Microsoft 365 in particular. Head out to our documentation for more details and references if you need a refresher! Also check out this blog entry to see how you can use reporting in Exchange Online to get an overview about the TLS versions used by mails submitted to your tenant. This topic may be super-relevant to you, because as confirmed by the message center post MC229914, TLS 1.0...

Keep on reading: Understanding email scenarios if TLS versions cannot be agreed on with Exchange Online

Posted in Exchange

January 11th, 2021 by Exchange
When your public folder content migration to Exchange Online is complete or you create public folders for the very first time, you do not have to worry about managing many aspects of public folders. As you previously read, Modern public folders starting with Exchange Server 2013 are stored within a new mailbox type in the mailbox database. Our on-premises customers have to create public folder mailboxes, monitor their usage, create new public folder mailboxes when necessary, and split...

Keep on reading: How Exchange Online automatically cares for your public folder mailboxes (via AutoSplit)

Posted in Exchange

December 15th, 2020 by Exchange
Today we are announcing the availability of quarterly servicing cumulative updates for Exchange Server 2016 and 2019. These updates include fixes for customer reported issues as well as all previously released security updates. In a change to a previous announcement, we now plan to release the final cumulative update for Exchange Server 2016 in March 2021, which will include all fixes made for customer reported and accepted issues received before the end of mainstream support.  ...

Keep on reading: Released: December 2020 Quarterly Exchange Updates

Posted in Exchange

November 19th, 2020 by Exchange
We wanted to share some best practices to prepare the on-premises public folders for migration to Exchange Online. The document will walk you through the overview of process to migrate public folders to Exchange Online, using the native tools as well as talk about best practices and tools used for trouble free migration. Public folder migration process overview A quick overview of how the native migration process works follows. The intention here is not to walk through details of each step of na...

Keep on reading: Best practices for public folder preparation before migrations

Posted in Exchange

November 17th, 2020 by Exchange
This blog was published today on the Microsoft 365 Developer Blog, but given its relevance and importance to our readers we wanted to publish it here too. Microsoft Graph is the modern API for the Microsoft 365 platform. We make continuous, significant investments in its security, performance, and features to ensure it meets the needs of our own product teams as well as the global ecosystem of developers who build applications using its capabilities. While we’re investing in Mic...

Keep on reading: Outlook REST API beta and Outlook REST API v2.0 Deprecation Notice

Posted in Exchange

November 16th, 2020 by Exchange
Azure AD Connect is a crucial component used to sync user accounts and enable mailboxes on-premises to be migrated to Microsoft 365. Not only does it synchronize accounts from Active Directory to Azure Active Directory, it also is used to configure authentication, provides ways for you to filter objects to sync, enables Exchange hybrid, allows for self-service password reset, enables seamless single sign-on, and more.AAD Connect receives regular updates that include bug and security fixes...

Keep on reading: Why AAD Connect auto upgrade doesn't always upgrade

Posted in Exchange

October 29th, 2020 by Exchange
Here is your next installment in the troubleshooting hybrid migrations blog series! See: Exchange Hybrid Migrations: More Than Just a Pretty Face (Part 1) Digging Into Hybrid Migration Move Report Data (Part 2) Troubleshooting Failed Migrations (Part 3) Troubleshooting Slow Migrations (Part 4) What to do if a migration is Completed With Warnings (Part 5 – you are here) There are 2 main flavors of "completed with warnings" scenarios when onboarding mailboxes from Exchange on-premises to Excha...

Keep on reading: What to do if a migration is Completed With Warnings

Posted in Exchange

October 27th, 2020 by Exchange
As announced at Microsoft Ignite 2020, support for plus addressing is now available in Exchange Online. Thanks to our UserVoice site, this feature was identified as the number 1 request for Exchange Admins and we acted on that to bring it to Exchange Online. Plus addressing allows users to dynamically create unique email addresses that deliver messages to a user’s mailbox, but are easily distinguished from messages sent to the user’s regular email address. There are two main use cases for t...

Keep on reading: Plus Addressing Now Available in Exchange Online

Posted in Exchange

October 23rd, 2020 by Exchange
You may have already seen this message from the Azure team, but given this impacts customers who use the Exchange Hybrid Agent, we just wanted to make sure those following this blog also were aware of this news. Microsoft is updating Azure services to use TLS certificates from a different set of Root Certificate Authorities (CAs). This change is being made because the current CA certificates do not comply with one of the CA/Browser Forum Baseline requirements.  This change will ONLY impact ...

Keep on reading: Hybrid Agent and Root Certificate Changes

Posted in Exchange

October 19th, 2020 by Exchange
Here is your next installment in the troubleshooting hybrid migrations blog series! See: Exchange Hybrid Migrations: More Than Just a Pretty Face (Part 1) Digging Into Hybrid Migration Move Report Data (Part 2) Troubleshooting Failed Migrations (Part 3) In this part, we will talk about ‘slow’ migrations. Firstly, you should be aware that migration jobs to Exchange Online (which is a shared multi-tenancy environment) have a lower priority on our servers and are sometimes throttled to p...

Keep on reading: Troubleshooting Slow Migrations

Posted in Exchange