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I'm trying to fight with mysterious Windows backup error "Volume larger than 2TB can be protected". I can be seen in internet but no solution.

Users give advice to check with fsutil tool. Here are results:

System SSD disk C:

Bytes Per Sector  :               512 
Bytes Per Physical Sector :    512     
Bytes Per Cluster :               4096 
Bytes Per FileRecord Segment    : 1024 
Clusters Per FileRecord Segment : 0

Any other HDD (3 devices):

 Bytes Per Sector  :               512
 Bytes Per Physical Sector :       <Not Supported>
 Bytes Per Cluster :               4096
 Bytes Per FileRecord Segment    : 1024

Question is: WHY Physical Sector : Not Supported ?

user462029
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1 Answers1

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If the “Byte Per Physical Sector” field displays “Not Supported” then either the storage driver does not support IOCTL_STORAGE_QUERY_PROPERTY, or there was an error in retrieving the info.

Source: https://msdn.microsoft.com/en-us/library/windows/desktop/hh848035%28v=vs.85%29.aspx

Mike
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Jasfe
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