Lansweeper scans power on and power off events. After successfully scanning your Windows computers, create a report with the following SQL code in order to list these events for all active computers in the past 3 days:
Select Top 1000000 tblAssets.AssetID,
tblAssets.AssetName,
tsysAssetTypes.AssetTypename,
tsysAssetTypes.AssetTypeIcon10 As icon,
tblAssets.IPAddress,
tblUptime.EventTime As [event time],
Case tblUptime.EventType When 1 Then 'power on' When 2 Then 'power off'
Else 'unknown' End As [event type]
From tblAssets
Inner Join tblAssetCustom On tblAssets.AssetID = tblAssetCustom.AssetID
Inner Join tsysAssetTypes On tsysAssetTypes.AssetType = tblAssets.Assettype
Left Join tblUptime On tblAssets.AssetID = tblUptime.AssetId
Where tblUptime.EventTime > GetDate() - 3 And tblAssetCustom.State = 1
And tblUptime.EventType In (1, 2)
Order By tblAssets.AssetName