Updating User properties using GraphAPI

Azure AD Connect sync: Attributes Writtenback from Azure Active Directory


These attributes are written back from Azure AD to on-premises Active Directory when you select to enable Exchange hybrid. Depending on your Exchange version, fewer attributes might be synchronized.

Attribute Name
User
Contact
Group
Comment
msDS-ExternalDirectoryObjectID
X
Derived from cloud Anchor in Azure AD. This attribute is new in Exchange 2016.
msExchArchiveStatus
X
Online Archive: Enables customers to archive mail.
msExchBlockedSendersHash
X
Filtering: Writes back on-premises filtering and online safe and blocked sender data from clients.
msExchSafeRecipientsHash
X
Filtering: Writes back on-premises filtering and online safe and blocked sender data from clients.
msExchSafeSendersHash
X
Filtering: Writes back on-premises filtering and online safe and blocked sender data from clients.
msExchUCVoiceMailSettings
X
Enable Unified Messaging (UM) - Online voice mail: Used by Microsoft Lync Server integration to indicate to Lync Server on-premises that the user has voice mail in online services.
msExchUserHoldPolicies
X
Litigation Hold: Enables cloud services to determine which users are under Litigation Hold.
proxyAddresses
X
X
X
Only the x500 address from Exchange Online is inserted.

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