5/29/2023 0 Comments Sid retail vs ipos4So while other attributes can change throughout the lifetime of an object, the GUID always stays the same. As a result, every object stored in AD is assigned a GUID. The GUID lets any object be uniquely identified because once Windows 2000 issues a GUID, the GUID never changes, even when the object is renamed or moved. In addition to the SID, another type of attribute is set for the object - its GUID.Ī GUID is a 128-bit identifier that is unique to a particular object and is generated from a unique identifier on a device, the current date and time, and a sequence number. Of course, the details behind this simple explanation are a little more complicated.Īs I just mentioned, when a domain account or security group is created, Windows 2000 generates a SID and stores it in an attribute of the new object. In a sense it is the same thing, all in the name of backward compatibility. A globally unique identifier (GUID) might seem to be the same thing. So far, I've talked a lot about the uniqueness of a SID.
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