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  Contact   New: SiSoftware Sandra 2014 =Q & A - UniqueIDs/GUIDs
Q: Why are there unique IDs/GUIDs used by the program at all???
Firstly, the IDs are system IDs and not user IDs. All users on
the system will have the same ID, so it is not a way to uniquely
identify users but the actual system. If there is only one user
using a system the number would identify the user as well simply
because there is nobody else.  The IDs are needed to uniquely
identify the system as the computer name may not be unique on
large networks, especially if the workgroups/domains are
different. This is very useful for our corporate customers that
need a way to identify a particular system. While there are many
other unique numbers (e.g. Windows ID, MAC ID, BIOS serial
number, Hard Disk serial number, etc.) it is far easier to just
generate one.  If you post a report/benchmark results to a
website, there must also be a way to distinguish between reports
and group repo