An older version of '{5}' is present in the Windows 'system32' folder on server {2}. This may cause problems with upgrades. ...

An older version of '{5}' is present in the Windows 'system32' folder on server {2}. This may cause problems with upgrades. Version of '{5}' in the Windows folder: {6}. Version of '{5}' in the Exchange folder: {8}. Stop all Exchange services and rename the '{5}' file residing in the Windows 'system32' folder.