Read/Write Status of Directory Synchronization Object Attributes

Table 1: Attributes that are synchronized from the on-premises Active Directory Domain Services (AD DS) to Office 365

The following table lists the attributes that are synchronized from the on-premises AD DS to Office 365. Be aware that objects must contain values in the following attributes to be considered for synchronization:

  • cn
  • member (applies only to groups)
  • samAccountName (applies only to users)
  • alias (applies only to groups and contacts)
Synchronized object attribute User Group Contact (Src) Description
assistant   Read Read The name   of the assistant for an account.
authOrig Read Read Read Relationship that indicates that   the mailbox for the target object is authorized to send mail to the source   object.
C   Read Two-letter   ISO 3166 [ISO3166] country code.
cn Read Read Read
co Read Read The   country/region in which the person (user or contact) or company is located.
CoManagedBy Read
company Read Read The   person’s (user or contact) company name.
countryCode Read Read The country code for person’s   (user or contact) language of choice.
department Read Read The name   of the person’s (user or contact) department.
description Read Read Read Human-readable descriptive phrases   about the object.
displayName Read Read Read The   display name for an object, usually the combination of the person’s first   name, middle initial, and last name.
dLMemRejectPerms Read Read Read Relationship that indicates that   members of the target object are -t authorized to send mail to the source   object.
dLMemSubmitPerms Read Read Read Relationship   that indicates that members of the target object are authorized to send mail   to the source object.
ExtensionAttribute1 Read Read Read Custom attribute that is defined   in the customer on-premises directory.
ExtensionAttribute10 Read Read Read Custom   attribute that is defined in the customer on-premises directory.
ExtensionAttribute11 Read Read Read Custom attribute that is defined   in the customer on-premises directory.
ExtensionAttribute12 Read Read Read Custom   attribute that is defined in the customer on-premises directory.
ExtensionAttribute13 Read Read Read Custom attribute that is defined   in the customer on-premises directory.
ExtensionAttribute14 Read Read Read Custom   attribute that is defined in the customer on-premises directory.
ExtensionAttribute15 Read Read Read Custom attribute that is defined   in the customer on-premises directory.
ExtensionAttribute2 Read Read Read Custom   attribute that is defined in the customer on-premises directory.
ExtensionAttribute3 Read Read Read Custom attribute that is defined   in the customer on-premises directory.
ExtensionAttribute4 Read Read Read Custom   attribute that is defined in the customer on-premises directory.
ExtensionAttribute5 Read Read Read Custom attribute that is defined   in the customer on-premises directory.
ExtensionAttribute6 Read Read Read Custom   attribute that is defined in the customer on-premises directory.
ExtensionAttribute7 Read Read Read Custom attribute that is defined   in the customer on-premises directory.
ExtensionAttribute8 Read Read Read Custom   attribute that is defined in the customer on-premises directory.
ExtensionAttribute9 Read Read Read Custom attribute that is defined   in the customer on-premises directory.
facsimiletelephonenumber Read Read Read Telephone   numbers (and, optionally, the parameters) for facsimile terminals.
givenName Read Read Name strings that are the part of   a person’s (user or contact) name that is -t their surname.
GroupType Read
hideDLMembership Read Hide the membership list on a   distribution list from senders.
homeMDB Read
homephone Read Read The person’s (user or contact)   main home telephone number.
info Read Read Read
Initials Read Read Strings of initials of some or all   of an individual’s names, except the surname(s).
ipPhone Read The TCP/IP   address for the telephone.
l Read Read Names of a locality or place, such   as a city, county, or other geographic region.
legacyExchangeDN Read Read Read
mail Read Read Read The list of email addresses for a   person (user or contact).
managedBy Read Resource/owner   relationship, where the source object (a group) is the resource, and the   target object is the owner.
manager Read Read Manager/direct report relationship   between two individuals, where the source object is the direct report, and   the target object is the manager.
member Read Membership   of the target object (of class User, Contact, or Group) in the group that is   identified as the source object.
middleName Read Additional names for a person   (user or contact), for example, middle name, patronymic, matronymic, or other   names.
mobile Read Read The   primary mobile phone number for a person (user or contact).
msDS-HABSeniorityIndex Read Read Read
msDS-PhoneticDisplayName Read Read Read
MsExchArchiveGUID Read
MsExchArchiveName Read
msExchArchiveStatus Read/Write Created in the Exchange cloud for   “write back” to on-premises when the customer has a cloud archive.
msExchAssistantName   Read Read The name   of the assistant for an account.
msExchAuditAdmin Read
msExchAuditDelegate Read
msExchAuditDelegateAdmin Read
msExchAuditOwner Read
MsExchBlockedSendersHash Read/Write Read Populated through an upgrade from   Business Productivity Online Standard Suite. –t synchronized from   on-premises.
msExchBypassAudit Read
MsExchBypassModerationFromDLMembersLink Read Read
MsExchBypassModerationLink Read Read
msExchDelegateListLink   Read
msExchELCExpirySuspensionEnd Read
msExchELCExpirySuspensionStart Read
msExchELCMailboxFlags Read
MsExchEnableModeration Read
MsExchGroupDepartRestriction Read
MsExchGroupJoinRestriction Read
msExchHideFromAddressLists Read Read Read Indicator   to control the visibility of a mail recipient for name resolution.
MsExchImmutableID Read
msExchLitigationHoldDate Read Read Read
msExchLitigationHoldOwner Read Read
MsExchMailboxGuid Read The   globally unique identifier (GUID) of the user’s mailbox.
msExchMailboxAuditEnable Read
msExchMailboxAuditLogAgeLimit Read
MsExchModeratedByLink Read Read Read
MsExchModerationFlags Read Read Read
MsExchRecipientDisplayType Read Read Read
MsExchRemoteRecipientType Read Read Read
msExchRequireAuthToSendTo Read Read When enabled for a distribution   list (DL), unauthenticated users are rejected.
MsExchResourceCapacity Read
MsExchResourceDisplay Read
MsExchResourceMetaData Read
MsExchResourceSearchProperties Read
msExchRetentionComment Read Read Read
msExchRetentionURL Read Read Read
MsExchSafeRecipientsHash Read/Write Read Populated   through an upgrade from Business Productivity Online Standard Suite. -t   synchronized from on premises.
MsExchSafeSendersHash Read/Write Read Populated through an upgrade from   Business Productivity Online Standard Suite. -t synchronized from on   premises.
MsExchSenderHintTranslations Read Read Read
msExchUCVoiceMailSettings Read/Write
msExchUsageLocation Read
msOrg-IsOrganizational Read
msRTCSIP-DeploymentLocator Read Read Fully-qualified car lot  DNS name of the Microsoft Online Communications Server deployment, as   specified in the authoritative (customer, on-premise) directory.
msRTCSIP-Line Read Read The device ID (either the Session   Initiation Protocol (SIP) uniform resource identifier (URI) or the TEL URI)   of the telephone that the user controls.
msRTCSIP-PrimaryUserAddress Read Read SIP URI   for instant messaging, as specified in the authoritative (customer,   on-premise) directory.
msRTCSIP-UserEnabled Read Read Indicates whether the user is   currently enabled for SIP instant messaging, as specified in the   authoritative (customer, on-premise) directory.
msRTCSIP-OptionFlags Read Read
objectGUID   Read Read Read Key for the object: this key is   immutable, even if the object moves from one context to a-ther, for example,   as a result of a company merge or split.
oOFReplyToOriginator Read Governs   whether out-of-office -tifications should be sent to a sender of a message to   this distribution list (DL).
otherFacsimileTelephone Read Read A list of alternative facsimile   numbers.
otherHomePhone Read Read A list of   alternative home telephone numbers.
otherIpPhone Read Read A list of alternative TCP/IP   addresses for the telephone.
otherMobile Read Read A list of   alternative mobile phone numbers.
otherPager Read Read A list of alternative pager numbers.
otherTelephone Read Read A list of   alternative office telephone numbers.
pager Read Read The primary pager number.
physicalDeliveryOfficeName Read Read Names that   a postal service uses to identify a post office.
postalCode Read Read Codes that a postal service uses   to identify postal service zones.
postOfficeBox Read Read Postal box   identifiers that a postal service uses when a customer arranges to receive   mail at a box on the premises of the postal service.
PreferredLanguage Read Read The preferred written or spoken   language for a user.
proxyAddresses Read/Write Read/Write Read/Write The   address by which a Microsoft Exchange Server recipient object is recognized   in a foreign mail system.
PublicDelegates Read Read Read
reportToOriginator Read Governs   whether to send delivery reports to the message originator when a message   that is sent to a group is -t delivered. The delivery report lets the group   owner k-w that the message was -t delivered.
samAccountName Read
sn Read Read Name   strings for the family names of a person (user or contact).
st Read Read The full names of states or   provinces.
streetAddress Read Read The   person’s (user or contact) address.
targetAddress Read Read The destination address for the   person (user or contact).
TelephoneAssistant Read Read
telephoneNumber Read Read Telephone numbers that comply with   the ITU Recommendation E.123.
ThumnailPhoto Read Read
title Read Read The title of a person (user or   contact) in the person’s organizational context.
unauthOrig Read Read Read Relationship   that indicates that the mailbox for the target object is -t authorized to   send mail to the source object.
url Read Read The list of alternative web pages.
userAccountControl Read
UserPrincipalName Read Read The user principal name (UPN) that   is an Internet-style logon name for a user, as specified in RFC 822.
wWWHomePage Read Read The   primary web page.

Table 2: Attributes that are written back to the on-premises AD DS from Office 365 in an Exchange rich-coexistence scenario

The following table lists the synchronized attributes that are written back to the on-premises AD DS from Office 365 in an Exchange rich-coexistence scenario. These attributes are written back only if Exchange Federation for Rich-Coexistence is enabled for the organization.

Write-Back attribute Exchange “full fidelity” feature
SafeSendersHash Filtering   Coexistence: Writes back on-premises filtering and online safe and blocked   sender data from clients.
BlockedSendersHash
SafeRecipientHash
msExchArchiveStatus Online   Archive: Enables customers to archive mail in Microsoft Online.
ProxyAddresses   (LegacyExchangeDN (online LegacyDn) as X500) Enable   Mailbox: Off-boards an online mailbox back to on-premises Exchange.
msExchUCVoiceMailSettings Enable   Unified Messaging (UM) – Online voice mail: This new attribute is used only   for UM-Microsoft Lync Server 2010 integration to indicate to Lync Server 2010   on-premises that the user has voice mail in online services.

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