Exchange 2003 - Fixing “backOfficeStorage” MBX is not accessible Error When Opening OWA Folders

If you got, on Exchange Server this error:

“backOfficeStorage” MBX is not accessible Error When Opening OWA Folders



I succesfully solved appling this procedure:

https://ittutorials.net/fixing-backofficestorage-mbx-is-not-accessible-error-when-opening-owa-folders