Forum Discussion
External Identities and Distribution Groups
Hi guys, Does anyone know if it's possible to create a distribution group of B2B users created from cross-tenant syncronisation? The mechanism provisions them in the respective tenants as 'Member...
I'm not sure how the AutoSubscribeNewMembers flag works with dynamic membership, you might have to add them manually to the "subscribers" list. Or use a regular DG instead.
- We've got internal Unified Groups that use the same config I posted above without any issue at all. The problem only rears its head when external Members are in the mix.
As cross-tenant sync users are members, not guests, they cannot be added to a distribution group (unless the config's gone wonky and we just simply have an issue with our tenant). Both UI and PowerShell state user cannot be found, but can be found with Get-AzureADUser and in the portal.
The only thing that stands out is that member and guest users have an EXO presence either as a mailboxUser, mailUser, or guestMailUser, whereas external members do not.- In the default configuration, external users will be synced as MailUser objects on Exchange side, so they can be added just fine to any Exchange group. If that's not what you are seeing, check your sync config, make sure the mail attribute is mapped and so on.
