Migrating

Fix those IMCEAEX NDRs

I had a customer migrate some mailboxes a few weeks ago, and they’re now just getting some NDRs.  Here’s a sample NDR:

imceaex-1

To fix this, you can take the NDR that you receive, copy/paste it into this function, and then take the resultant decoded x500 address and add it back to the proxyAddress array for the recipient.… [ Continue reading ]

Identity

Use AADConnect to add a Proxy Address

* UPDATE* After doing this originally, I decided to take a different route and write it back to the on-premises AD, so that way, the objects are synchronous.  This post now reflects the updated content.

A few weeks ago, I had an issue where I needed to remove a proxy address from the proxyAddresses array of a user being synchronized to Office 365. … [ Continue reading ]

Configuration

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  This blog is for historical reference only.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://www.undocumented-features.com/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 or shared mailbox. … [ Continue reading ]