To use the synchronize, collect, or view fetch actions, you must grant the following permissions.
To retrieve a list of mailboxes through LDAP, the user that accesses LDAP (specified by the Username or LDAPUsername parameter in the Exchange Web Service Connector configuration file) must have read access to the directory.
The user that connects to the Exchange Web Service (specified by the Username or WSUsername parameter in the Exchange Web Service Connector configuration file) requires the following permissions:
The user must have permission to read messages from the mailboxes that you want to retrieve. To grant this permission, use one of the following methods:
ImpersonateMailboxOwner=true (true is the default value).ImpersonateMailboxOwner=false.BaseMailboxFolder configuration parameter). If the user does not have access to a mailbox folder, that folder and its contents cannot be indexed. In the connector’s configuration file, set ImpersonateMailboxOwner=false.The connector can authenticate with the Exchange Web Service using Basic Authentication or using OAuth. To use OAuth, you must register an application in Azure Active Directory. The application must be granted the following Application API permissions by an administrator:
full_access_as_appCalendars.ReadMail.ReadUser.Read.All|
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