Why It’s Difficult to Transfer Membership Rules from Exchange Online to Azure AD

It seems like it should be possible to transfer a membership rule from an Exchange dynamic distribution list to a dynamic Microsoft 365 group/team, but it’s not. Different directories, schemas, properties. and syntax conspire to stop easy conversion. It’s a pity, but that’s the way life and technology sometimes go…

The Power of Exchange Online Dynamic Distribution Lists

Exchange Online Dynamic Distribution Lists are a powerful way to address changeable groups of recipients. The query against the directory is the big thing to get right, but you’ve also got to make sure that the directory data is accurate and reliable. Once you’ve got a good directory, it’s easy to create dynamic distribution lists which are easy to use and never go out of date.