Prerequisiteshttps://technet.microsoft.com/en-us/library/bb691354%28v=exchg.160%29.aspx?f=255&MSPPError=-2147217396#ADPrephttps://technet.microsoft.com/en-us/library/bb691354(v=exchg.150).aspxSystem Requirementshttps://technet.microsoft.com/en-us/library/aa996719%28v=exchg.160%29.aspx?f=255&MSPPError=-2147217396