Wrong forum, but the answer is yes.
You will need a partitioned hard drive or two hard drives.
If using just one hard drive.
During W2003 installation, delete any partitions, then create two partitions and format one, dont format the other partition. Install and configure 2003.
Once you are done with that, boot off the Red Hat CD/DVD and anaconda will take of everything. It will recognize the windows partion and install on the unformatted partition.
When you reboot, the GRUB bootloader will give you the option of boot to Linux or 'other'