Hello all, new Exchange user here and I've got an odd issue regarding a missing user that I haven't been able to find any good info about. I have a dynamic distribution group setup that I'm viewing through the Exchange admin center, and I've verified that the user in question matches the custom requirements for being added to the group. I've also compared this user to other accounts and found the settings to be equivalent. The custom field for the group is:
((((((CustomAttribute1 -eq 'xxx') -and
(-not(CustomAttribute2 -eq 'exclude')))) -and (((RecipientTypeDetails -eq
'UserMailbox') -or (RecipientTypeDetails -eq 'LinkedMailbox'))))) -and
(-not(Name -like 'SystemMailbox{*')) -and (-not(Name -like 'CAS_{*')) -and
(-not(RecipientTypeDetailsValue -eq 'MailboxPlan')) -and
(-not(RecipientTypeDetailsValue -eq 'DiscoveryMailbox')) -and
...