Publicly share Office 365 room calendar

A customer asked me if it was possible to have a room mailbox automatically accept meeting requests from external parties. They would also like to publish the calendar of that specific room publicly. Accept meetings from external parties Let’s start with the first question. By default, resource mailboxes only accept requests from internal senders. As you might guess, you can’t change this behavior through the GUI, Powershell to the rescue!...

7 April, 2017 · 3 min · Maarten Van Driessen

Deleting an Office 365 mailbox in hybrid deployment

When running Office 365 in a hybrid deployment, it is possible to have a mailbox both on premises as on Office 365. This can happen when you assign the user an Exchange Online license before the mailbox has been migrated to Office 365. If the user’s outlook is still configured to use the on-premises mailbox, this can create some funky issues. For example, sent items will be in the on-premises mailbox but new items will arrive in Office 365....

20 November, 2016 · 2 min · Maarten Van Driessen

How to grant access to deleted user’s Onedrive for Business library

A couple of weeks ago we had an issue which resulted in some users getting deleted from Office 365. Because of a sync tool we use, we had to recreate the user accounts instead of restoring them. As a result of this (different SID), the new users also got a new Onedrive for Business library and could no longer access their existing library. Listing all disabled user profiles In the Office 365 admin center, go to the SharePoint admin center and click User profiles and Manage User Profiles....

8 November, 2016 · 2 min · Maarten Van Driessen