Place the "NO_SMS_ON_DRIVE.SMS" file on the drive you want ( aka c:\ ) to prevent that SMS/SCCM places any components on one of the forbidden drives in the future. Simple but effective Thats it ! Hope it helps ! Kenny Buntinx...(
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Read the complete post at http://scug.be/blogs/sccm/archive/2008/09/05/sccm-how-to-avoid-that-sccm-or-sms-will-place-components-on-the-c-or-any-other-drive.aspx