When running Set-MMExGroupMatching commandlet in order to prepare Public Folder synchronization to Exchange 2016 or Exchange 2019 with Public Folder MAgE the following is returned:
Processing started for group '[group_DN].
Trying to get target group using migration project.
Warning : Target group not found in the migration project.
Message : Exception when calling "GetTargetObjectID" with 2 argument (s): "Error 0xea0000e1. Unable to find any information about target object in ADAM. Source objectGUID=65D7B192C9529B479EF66561B1FF7574, target forest=[target_forest_name]. "
Matched object for group '[group_DN]' wasn't found.
Processing finished for group '[group_DN]'.