The three attributes you will be dealing with are the following, and there are many possible values for each:
- msExchRemoteRecipientType
- msExchRecipientDisplayType
- msExchRecipientTypeDetails
Details
- msExchRemoteRecipientType
RemoteRecipientType (in PowerShell)
Note: You should only see the above value populated if the customer has a directory sync’d environment, and they either migrated a mailbox to the cloud or if they used new-remotemailbox to provision a cloud mailbox.
| 1 | ProvisionMailbox |
| 1 | ProvisionMailbox |
| 2 | ProvisionArchive (On-Prem Mailbox) |
| 3 | ProvisionMailbox, ProvisionArchive |
| 4 | Migrated (UserMailbox) |
| 6 | ProvisionArchive, Migrated |
| 8 | DeprovisionMailbox |
| 10 | ProvisionArchive, DeprovisionMailbox |
| 16 | DeprovisionArchive (On-Prem Mailbox) |
| 17 | ProvisionMailbox, DeprovisionArchive |
| 20 | Migrated, DeprovisionArchive |
| 24 | DeprovisionMailbox, DeprovisionArchive |
| 33 | ProvisionMailbox, RoomMailbox |
| 35 | ProvisionMailbox, ProvisionArchive, RoomMailbox |
| 36 | Migrated, RoomMailbox |
| 38 | ProvisionArchive, Migrated, RoomMailbox |
| 49 | ProvisionMailbox, DeprovisionArchive, RoomMailbox |
| 52 | Migrated, DeprovisionArchive, RoomMailbox |
| 65 | ProvisionMailbox, EquipmentMailbox |
| 67 | ProvisionMailbox, ProvisionArchive, EquipmentMailbox |
| 68 | Migrated, EquipmentMailbox |
| 70 | ProvisionArchive, Migrated, EquipmentMailbox |
| 81 | ProvisionMailbox, DeprovisionArchive, EquipmentMailbox |
| 84 | Migrated, DeprovisionArchive, EquipmentMailbox |
| 100 | Migrated, SharedMailbox |
| 102 | ProvisionArchive, Migrated, SharedMailbox |
| 116 | Migrated, DeprovisionArchive, SharedMailbox |
- msExchRecipientDisplayType
RecipientType (In PowerShell)
| -2147483642 | MailUser (RemoteUserMailbox) |
| -2147483642 | MailUser (RemoteUserMailbox) |
| -2147481850 | MailUser (RemoteRoomMailbox) |
| -2147481594 | MailUser (RemoteEquipmentMailbox) |
| 0 | UserMailbox (shared) |
| 1 | MailUniversalDistributionGroup |
| 6 | MailContact |
| 7 | UserMailbox (room) |
| 8 | UserMailbox (equipment) |
| 1073741824 | UserMailbox |
| 1073741833 | MailUniversalSecurityGroup |
- msExchRecipientTypeDetails
RecipientTypeDetails (In PowerShell)
| 1 | UserMailbox |
| 1 | UserMailbox |
| 2 | LinkedMailbox |
| 4 | SharedMailbox |
| 16 | RoomMailbox |
| 32 | EquipmentMailbox |
| 128 | MailUser |
| 2147483648 | RemoteUserMailbox |
| 8589934592 | RemoteRoomMailbox |
| 17179869184 | RemoteEquipmentMailbox |
| 34359738368 | RemoteSharedMailbox |
source: https://learn.microsoft.com/en-us/answers/questions/4376081/(article)-recipient-type-values