Office 365 migration issue... AD sync

Hey guys. Having issues with Office 365. Ran batch migration and then installed dirsync. getting these errors. MS is not really helpful.

Unable to update this object because the following attributes associated with this object have values that may already be associated with another object in your local directory services: [ProxyAddresses X500:/o=LPInnovations/ou=Exchange Administrative Group (FYDIBOHF23SPDLT)/cn=Recipients/cn=dboatman,SMTP:dboatman@mydomain.com]. Correct or remove the duplicate values in your local directory. Please refer to http://support.microsoft.com/kb/2647098 for more information on identifying objects with duplicate attribute values.