Volume Shadow Copy Service (VSS) compatibility

Configure how PerfectDisk defragments a drive if the drive has show copies/restore points


Supported on: PerfectDisk 14
Volume Shadow Copy Service (VSS) compatibility


  1. Do not defragment/stop if any shadow copies exist
    Registry HiveHKEY_LOCAL_MACHINE
    Registry PathSoftware\Policies\Raxco\PerfectDisk\14.0
    Value NameVSSCompatability
    Value TypeREG_DWORD
    Value0
  2. Defragment in VSS compatible mode to minimize snapshot/restore point purges to the percentage below of the disk
    Registry HiveHKEY_LOCAL_MACHINE
    Registry PathSoftware\Policies\Raxco\PerfectDisk\14.0
    Value NameVSSCompatability
    Value TypeREG_DWORD
    Value1
  3. Defragment normally
    Registry HiveHKEY_LOCAL_MACHINE
    Registry PathSoftware\Policies\Raxco\PerfectDisk\14.0
    Value NameVSSCompatability
    Value TypeREG_DWORD
    Value2

Percent of the disk maximum to move per defrag for VSS compatible mode

Registry HiveHKEY_LOCAL_MACHINE
Registry PathSoftware\Policies\Raxco\PerfectDisk\14.0
Value NameVSSCompatabilityPercent
Value TypeREG_DWORD
Default Value30
Min Value1
Max Value100

perfectdisk14_0.admx

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