Should I use FAT or NTFS for my Exchange Server system?

A. FAT = BAD. NTFS = GOOD. You may have heard that FAT offers performance advantages for volumes of less than 400MB. This adage may be true, but I've never seen any concrete evidence besides a pointer to an old Microsoft MCSE course manual. NTFS offers vastly superior robustness, reliability, and security, as well as much better performance than FAT on large volumes. Avoid FAT on your server, period—even to facilitate recovery.

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