Perfmon to log files maybe. *cough* Grid Control *cough* will do this. The open source tools others have mentioned will as well. In addition though it's probably overkill for you Microsoft Systems Centre is designed to do this. On Tue, Nov 10, 2009 at 12:19 PM, LS Cheng <exriscer@xxxxxxxxx> wrote: > Hi all > > Does anyone know any sort of tool to monitor Windows CPU/Memory/Disk usage > and store the data in some sort of Repository so we can run trend analysis > and graph with the data? > > > TIA > > > -- > LSC > > -- Niall Litchfield Oracle DBA http://www.orawin.info