Errors during processing:
"The following error occurred in the execution of the General Processing data source: The following error occurred in the parsing of the tracking log: The following error occurred in the processing of the Server Mail Traffic processor: The following error occurred in getting the required prerequisite data for the Server Mail Traffic processor: The Server Mail Traffic processor is missing some pre-requisite information: Exchange Site Server List"
Error indicates that any attempt to find the SMTP mailbox objects in the CN=Connections,CN=OrgName,CN=Microsoft Exchange,CN=Services,CN=Configuration,DC=DomainName.
Please verify that the MessageStats Service Account can access this Organizational Unit in Active Directory using ADSIEdit under DC=DomainName, CN=Configuration, CN=Services, CN=Microsoft Exchange, CN=OrgName, CN=Connections. The error occurs once on each private information store when attempting to look up the legacyExchangeDN for the SMTP object fails and cannot find the object it is looking for. This is not the system mailbox, this is just a mailbox in the store for which it cannot find the corresponding AD user object.