The 'legacyExchangeDn' attribute for administrative group '{0}' doesn't match the parent organization. This may cause mail ...

The 'legacyExchangeDn' attribute for administrative group '{0}' doesn't match the parent organization. This may cause mail flow problems. Current 'legacyExchangeDn' value: '{1}'. Click on the link 'get help fixing this issue' in the actions pane located on the right side of the screen for assistance.