Correcting Shared Mailbox provisioning and sizing
We are correcting how shared (and resource) mailboxes are created in Exchange Online. As per our documentation (here and here), shared and resource mailboxes in Exchange Online should be created with...
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Update on mail flow insights
Last month, we announced the release of mail flow insights in the Office 365 Security & Compliance Center in this blog post. We're making changes to the mail flow insights dashboard to make it more...
View ArticleResource Based Throttling and Prioritization in Exchange Online Migrations
We often get questions about throttling in Mailbox Replication Service (MRS) based migrations in Exchange online. When migrating, you may see messages such as StalledDueTo_TargetDiskLatency for some...
View ArticleUpcoming changes to Exchange Web Services (EWS) API for Office 365
Over the last few years, we have been investing in services that help developers access information in Office 365 in a simple and intuitive way, specifically through Microsoft Graph. Microsoft Graph...
View ArticleIssue with July Updates for Windows on an Exchange Server
The Exchange team is aware of issues with the Windows Operating System updates published July 10th, 2018 causing Exchange to not function correctly. The Windows servicing team has advised us that they...
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Hybrid Configuration Wizard and licensing of your on-premises server used for...
A few years ago, we created a web site that would allow our hybrid customers to obtain what’s generally known as the “hybrid key”. This self-service site would validate your O365 tenant and after a few...
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Exchange Server 2019 Public Preview
We’re pleased to announce a preview build of Exchange Server 2019 is now available. You can download it here. We strongly believe Office 365 delivers the best and most cost-effective experience to our...
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Deploy Exchange Server 2019 on Windows Server Core
Hurrah! If you have not yet heard: Exchange Server 2019 Public preview was announced earlier, and it is the first version of Exchange that you can install on Server Core! Now, while that’s great news,...
View ArticleGet Ready for Microsoft Ignite 2018
Unless you’ve been living under an IT rock, you’ll know that Microsoft Ignite is happening soon. September 24th to 28th to be exact, in Orlando Florida. If you didn’t buy a ticket already then I’m...
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Announced: improvements to Hybrid Publishing and Organization Configuration...
What just happened? During a rousing presentation that was marked by wild cheers and standing ovations, we announced a few features designed to simplify hybrid Exchange deployments and speed onboarding...
View ArticleMS11-025 required on Exchange Server versions released before October 2018
In the security advisories released on 10/09/2018, CVE-2010-3190 was updated to apply to Exchange Server. This bulletin now applies to all versions and cumulative updates for Exchange Server released...
View ArticleReleased: October 2018 Quarterly Exchange Updates
The latest cumulative update for Exchange Server 2016 is now available on the download center. There is no release for Exchange Server 2013 or Exchange Server 2010 as these products are both in the...
View ArticleDisabling Basic authentication in Exchange Online – Public Preview Now Available
Several months ago we added a feature to the Microsoft 365 Roadmap which generated a lot of interest. The feature was named Disable Basic Authentication in Exchange Online using Authentication Policies...
View ArticleAnnouncing Support for Controlled Connections to Public Folders in Outlook
Up to now, Administrators did not have control over which users would see public folders in their Outlook clients. If public folders were created within the organization or if an Exchange Online...
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Exchange Server 2019 Now Available
We’re pleased to announce the final build of Exchange Server 2019 is now available and can be downloaded from the Volume Licensing Service Center. Exchange Server 2019 is designed to deliver security,...
View ArticleMicrosoft Ignite 2018 – The Recap
Microsoft Ignite 2018 ended a few weeks ago, and what a great event it was. It was great to see so many of our customers, partners and friends there – thank you for coming to our sessions, thank you...
View ArticleAnnouncing support to migrate up to 250K public folders from Exchange...
In an earlier post, we announced we were increasing the maximum number of public folders that could be migrated from Exchange Server 2010 to Exchange Online to 250K. We also highlighted in that post...
View ArticleReleased: Hybrid Organization Configuration Transfer V2
We are happy to announce Organization Configuration Transfer (OCT) - V2, which includes updates to OCT-Phase 1 that was launched earlier this year. OCT-V2 further reduces the manual work that admins...
View ArticleImprovements in Public Folder Migration to Exchange Online
We have been working hard behind the scenes to improve the public folder migration experience and are very glad to announce even more improvements. These improvements will help you in faster onboarding...
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Introducing the Exchange Online Fiddler Extension
Working in support at Microsoft, you get to deal with a lot of organizations who are migrating to Exchange Online. This type of migration dramatically changes how web traffic flows in the organization...
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