REGEDIT4

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\LanmanServer\Parameters]
"EnableOplocks"=dword:00000000
"CachedOpenLimit"=dword:00000000

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\LanmanWorkstation\Parameters]
"UseOpportunisticLocking"=dword:00000000

[HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\MRXSmb\Parameters]
"OplocksDisabled"=dword:00000001