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Windows Server® 2012 Unleashed
book

Windows Server® 2012 Unleashed

by Rand Morimoto, Michael Noel, Guy Yardeni, Omar Droubi, Andrew Abbate, Chris Amaris
September 2012
Intermediate to advanced
1680 pages
88h 3m
English
Sams
Content preview from Windows Server® 2012 Unleashed

Explaining Update Sequence Numbers

All enterprise directory services implementations require a mechanism to handle the incremental storage of changes made to directory objects. In other words, whenever a password is changed, that information must be accurately passed to all DCs in the domain. This mechanism must also be able to apply only those changes that occurred at the most recent intervals.

Many directory services implementations relied on exact time synchronization on all DCs to synchronize information. However, keeping the clocks of multiple servers in sync has been proven to be extremely difficult, and even slight variations in time could affect replication results.

Thus was born the concept of the update sequence number (USN). AD DS ...

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ISBN: 9780133116007Purchase book