Some user profile details such as last date logged in are not replicated from our production system to our high availability backup system. That simply means that when we perform a rollover to the backup system, if you were to look at this dashboard early in the day before most people had logged in, the dates would reflect the last time users logged into the HA box (a previous rollover test).  Once they do log in that morning, the date would be updated.  The same thing will occur the morning after we roll back to the production system.