i have been moving TBs of data around from disk to disk across my network and so far no problems with 48,000 documents or 32,000 audio files etc My server is equipped with the Asus M2NBP-VM CSM and it is using server 2008r2 for the moment and the machine has several giant hard disks shared. I cannot reproduce your problems with XP, Vista, 7 or 8 so I suspect there is a config problem swap files should always be automatically set (system managed) Windows MVP 2011-12, XP, Vista, 7 and 8. More people have climbed Everest than having 2 MVP's on the wall. Hardcore Games, Legendary is the only Way to Play Developer | Windows IT | Chess | Economics | Vegan Advocate | PC Reviews