To save yourself months of grief go to Dell.com and order the replacement CDs. Some learn this AFTER they lose the time. Why not save yourself?
I recently aquired a Dell PowerVault 745N NAS server with nothing configured on it. I also don't have any of the resource CD's that Dells website says you need to reinstall the OS. Does anyone know of anything I can do to get Server 2003 onto this thing? I don't know much about the system on how to configure it other than the RAID. I tried creating all sort of bootable USB thumb drives today with no luck. Dell Tech Support wasn't very helpful either, but they said the system doesn't have CD-ROM support soooo i'm taking it that I can't just plug in a USB CD-ROM drive and boot a Server03 disc.

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