HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\lanmanserver\parameters\Smb1 HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\lanmanserver\parameters\Smb2 HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\lanmanserver\parameters\EnableOplocks HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MRXSmb\Parameters\OplocksDisabled HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\LanmanWorkstation\Parameters\UseOpportunisticLocking HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\LanmanWorkstation\parameters\DirectoryCacheLifetime HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\LanmanWorkstation\parameters\FileInfoCacheLifetime HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\LanmanWorkstation\parameters\FileNotFoundCacheLifetimeIf the keys don't exist, Windows uses internal values baked into the DLLs and kernel.
!MSINFO32.EXE /report sysinfo.txtYou can search sysinfo for some keywords of interest. In any event, it's a good thing to gather that information and use it for later comparison if the machine ever starts having odd issues show up that are unique to the user account / machine.