Microsoft Exchange Shared Mailbox Provisioning Attributes
In addition to the existing Provisioning Policy Attributes, the connector provides support for the following attributes for a Shared Mailbox:
Note
Attributes marked with an asterisk (*) are mandatory.

DistinguishedName of the shared Mailbox to be created.

Exchange alias for the Shared Mailbox.

Exchange Mailbox store DN.

List of user/groups in msDS-PrincipalName format to whom to assign Full Access permission.

List of user/group in msDS-PrincipalName to whom to assign Send As permission.

List of user/group in DN format to whom to assign Send On Behalf permission.