5.155 PROPERTY_META_DATA_EXT
The PROPERTY_META_DATA_EXT structure defines a concrete type for the stamp of the last originating update to an attribute.
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typedef struct { DWORD dwVersion; DSTIME timeChanged; UUID uuidDsaOriginating; USN usnOriginating; } PROPERTY_META_DATA_EXT;
dwVersion: The version of the attribute values, starting at 1 and increasing by one with each originating update.
timeChanged: The time at which the originating update was performed.
uuidDsaOriginating: The invocationId of the DC that performed the originating update.
usnOriginating: The USN of the DC assigned to the originating update.