Office 365 Groups and Anonymous External Senders

Office 365 Groups are glorious creations.  There are, however, some instances where they don’t work as you anticipate (or hope). One of those scenarios is when you are configured in hybrid coexistence with the following scenario: Office 365 Group Writeback is enabled (for configuring permissions, see this script) RequireSenderAuthenticationEnabled is set to False for an…

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Backup and Restore Office 365 Groups

While working with a partner this weekend on a tenant to tenant migration, we had the need to migrate Office 365 groups.  There’s not really a lot of information around on recreating groups and memberships, so I decided to put together a tool to help the effort. The first thing to understand about Office 365…

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Disable Office 365 Groups Creation: Redux

Several months ago, I wrote a blog on Disabling Office 365 Groups.  It seems as though we couldn’t leave well enough alone.  Such is a price of progress. I got a new laptop a few weeks ago, and then found myself in the position of helping out a few colleagues this week.  One of the tasks…

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Disable Office 365 Groups Creation

Update: There are new cmdlets available for this task.  This blog is for historical reference only.  A new, updated process is available here (https://blogs.technet.microsoft.com/undocumentedfeatures/2017/04/29/disable-office-365-groups-creation-redux/). Office 365 Groups are a (somewhat) new feature that act both like a distribution list and a public folder.  The underlying technology is a SharePoint site mailbox.  The problem with a…

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