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Enumerate all AD users sorted by OU -  http://vbscriptblog.com/vbscript/active-directory/ou/active-directory-vbscript-to-enumerate-all-active-directory-users-sorted-by-ou/ ' *** Turn off recipient policy updates            objUser.Put "msexchpoliciesexcluded", "{26491CFC-9E50-4857-861B-0CB8DF22B5D7}"       objUser.SetInfo  http://www.visualbasicscript.com/Replace-the-Primary-mail-address-in-AD-m48670.aspx Script to manage AD users -  http://www.activxperts.com/activmonitor/windowsmanagement/adminscripts/usersgroups/users/#AddPhone.htm Exchange Mailbox Statistics Report -  http://martin77s.wordpress.com/tag/vbscript/

 (with the answer typically converted to  MegabytesPerSec ) Some ballpark numbers: Device Type IOPS Interface Notes 7,200  rpm   SATA  drives HDD ~75-100 IOPS [2] SATA 3  Gb/s 10,000 rpm SATA drives HDD ~125-150 IOPS [2] SATA 3 Gbit/s 10,000 rpm  SAS  drives HDD ~140 IOPS  [2] SAS 15,000 rpm  SAS  drives HDD ~175-210 IOPS  [2] SAS Solid State Devices ranges 60,000 to 400,000 IOPS depending the type of brand/model and connectivity (SATA cable (3g/6g), FC/InfiniBand, or PCIe).  Info from - http://en.wikipedia.org/wiki/IOPS As of Jul 2012, the SSD max throughput is still below 600MBps for SSD and 1GBps using PCIe technology. SATA cable can transfer max 6Gbps (or 768MBps - 6Gbps/6bit). With PCIe, this can double to 16Gbps (or 2048MBps). There is a need to seriously look into the storage design how the disk should be connected (SATA cable or PCIe) for optimum performance. Or else, you would buy an expensive S...