MSExchangeIS Mailbox Store - EventID 10001

  Mailbox cleanup could not completely remove the mailbox for user XXXXXXX following mailbox removal. Encountered error 0xfffffae8. Should this message continue to persist for the same mailbox, it may be indicative of a problem that requiresfurther investigation. to solve this problem dismoun/mount the current databse (if previous databse still exist dismount/mount this database also )