Exchange Recipient Type Values in Active Directory

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This is a crib sheet I use to lookup the actual type of a mailbox or user. For example often shared mailboxes turn out to actually be user mailboxes with a disabled AD account. This looks the same, but will require a license, so you can use this to identify mailboxes which need to be converted from user to shared mailboxes before migration to Exchange Online.

msExchRecipientDisplayType

Type

AD: msExchRecipientDisplayType

O365: Recipient Display Type

CloudExchangeRecipientDisplayType

AD:msExchRecipientTypeDetails

O365: RecipientTypeDetails

MailboxUser / UserMailbox

0

1

Linked Mailbox

1073741824

2

Shared Mailbox

1073741824

4

Exchange 2003 Legacy

8

MailUser (AD-User)

6

Not set

Room

7

16

Equipment

8

32

Mail Contact

6

64

Mail User

128

Mail universal Distribution Group

1

256

Mail non universal Group

512

Mail universal Security Group

1073741833

1024

Dynamic Distribution Group

3

2048

Mail-Enabled Public Folder

2

4096

System Attendant Mailbox

8192

Systemmailbox/Mailbox Database Mailbox

16384

Cross Forest Mail Contact

32768

User

65536

Contact

131072

Universal Distribution Group

262144

Universal Security Group

524288

Non-Universal Group

1048576

Disabled User

2097152

Microsoft Exchange

4194304

Arbitration Mailbox

8388608

MailboxPlan

16777216

LinkedUser

33554432

RoomList

268435456

DiscoverySearchMailbox

536870912

Organization

4

PrivateDistributionGroup

5

SystemMailbox oder FederationMailbox

10

Role Group

1073741824

RemoteUserMailbox

-2147483642

-1073741818 (with Hybrid Delegate)

2147483648

Computer

4294967296

RemoteRoomMailbox

8589934592

RemoteEquipmentMailbox

17179869184

RemoteSharedMailbox

34359738368

PublicFoldermailbox

68719476736

Team Mailbox

137438953472

RemoteTeamMailbox

274877906944

Monitoring Mailbox

549755813888

Group Mailbox

1099511627776

LinkedRoomMailbox

2199023255552

AuditLogMailbox

4398046511104

RemoteGroupMailbox

8796093022208

SchedulingMailbox

17592186044416

GuestMailBox

35184372088832

AuxAuditLogMailbox

70368744177664

SupervisoryReview

140737488355328

msExchRecipientTypeDetails

Object Type

Decimal Value

User Mailbox

1

Linked Mailbox

2

Shared Mailbox

4

Legacy Mailbox

8

Room Mailbox

16

Equipment Mailbox

32

Mail Contact

64

Mail User

128

Mail-Enabled Universal Distribution Group

256

Mail-Enabled Non-Universal Distribution Group

512

Mail-Enabled Universal Security Group

1024

Dynamic Distribution Group

2048

Public Folder

4096

System Attendant Mailbox

8192

System Mailbox

16384

Cross-Forest Mail Contact

32768

User

65536

Contact

131072

Universal Distribution Group

262144

Universal Security Group

524288

Non-Universal Group

1048576

Disabled User

2097152

Microsoft Exchange

4194304

Arbitration Mailbox

8388608

Mailbox Plan

16777216

Linked User

33554432

Room List

268435456

Discovery Mailbox

536870912

Role Group

1073741824

Remote Mailbox

2147483648

RemoteRoomMailbox

8589934592

RemoteEquipmentMailbox

17179869184

RemoteSharedMailbox

34359738368

Team Mailbox

137438953472

msExchRemoteRecipientType

Value Name

Decimal Value

ProvisionedMailbox (Cloud MBX)

1

ProvisionedArchive (Cloud Archive)

2

ProvisionedMailbox, ProvisionedArchive (Cloud MBX & Cloud Archive)

3

Migrated

4

Migrated, ProvisionedArchive (Migrated MBX & Cloud Archive)

6

DeprovisionMailbox

8

DeprovisionArchive

16

DeprovisionArchive, Migrated

20

RoomMailbox

32

Migrated, RoomMailbox

36

EquipmentMailbox

64

Migrated, EquipmentMailbox

68

SharedMailbox

96

Migrated, SharedMailbox

100

Posted in Active Directory, Exchange Online, Office 365

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