"Some customers are finding that when they try to replicate their public folder content to Exchange 2010, it will not replicate." Fix contained within to clear error and allow public folders to replicate to Exchange 2010!
Download link to Dell OpenManage System Administrator Managed Node installer that allows you to view hardware, including RAID, status on a Dell server from within Windows. It also adds logging to the event logs (which can then be monitored) for RAID-related errors and warnings.
If multi-day calendar items show up via ActiveSync to iPhone or iPad devices, apply Exchange 2010 SP2 and Update Rollup 1 on top of that to fix the known issue.