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Jeff Guillet
322 followers -
Exchange MCSM & MVP, Author, and Blogger
Exchange MCSM & MVP, Author, and Blogger

322 followers
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Important announcement about AAD Connect password writeback
If you are using an older version of Azure AD Connect and have password writeback enabled please ensure you are using the latest version. Azure AD Connect versions 1.0.8641.0 and older rely on a service that will be retired on November 7th, 2018. For more i...
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How to block external access to the Exchange Admin Center
When I was at Microsoft Ignite last week, several customers asked me how to block external access to the Exchange Admin Center. These customers have already completed all their mailbox migrations to Exchange Online and understand they'll need to keep that l...
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User-based MFA vs. Conditional Access MFA
Thank you to everyone who attended my two sessions, " How to add MFA to your Exchange Online/on-premises mailboxes in 20 minutes or less " at Microsoft Ignite 2018 in Orlando! The first session was recorded and is available on YouTube . There are two ways t...
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Got 20 minutes to secure Exchange Server?
Going to Ignite? Got 20 minutes to see how easy it is to secure Exchange on-premises? Come see my theater session, " How to add MFA to your Exchange Online/on-premises mailboxes in 20 minutes or less ". Securing Exchange doesn't have to be hard. Learn how t...
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Minor update for AAD Connect customers who use SQL
Azure Active Directory Connect version 1.1.882.0 has been released. This build fixes an issue where Azure AD Connect upgrade fails if SQL Server Always On Availability is configured for the ADSync database. This version will not be available for automatic u...
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Outlook 2016 support in Office 365 after Oct 13, 2020
What a difference a word makes. On April 20, 2017 the Office Blog wrote an article about  Office 365 system requirements changes for Office client connectivity . It references the updated  System Requirements for Office , which states: “Effective October 13...
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Announcing the 11th Annual UC Roundtable at Microsoft Ignite!
I'm pleased to announce the 11th Annual UC Roundtable at  Microsoft Ignite  2018 in Orlando! A one-of-a-kind conference deserves a one-of-a-kind opportunity to network with your peers. The purpose of the UC Roundtable is to gather Exchange, Office 365, and ...
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Azure AD Connect version 1.1.880.0 includes many updates
AAD Connect version 1.1.880.0 is being released and includes many new features and improvements. I've highlighted the ones that I think most customers are interested in with some comments. This update is also supposed to fix the issue with high CPU by the M...
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Say Bye-Bye to Exchange Unified Messaging in Exchange Server 2019
Exchange Unified Messaging was first introduced in Exchange Server 2007 and has been in every version of Exchange server since - until now. In the Exchange Server 2019 Public Preview announcement it was revealed that UM is being dropped in Exchange Server 2...
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How to install Exchange Server 2019 on Windows Server 2019 Core Step-by-Step
The following article is a step by step walk-through for installing Exchange Server 2019 on Windows Server 2019 Server Core. If you're looking for a super-fast and inexpensive lab server, check out my home lab server builds ! As announced, Exchange 2019 can...
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