bootable dvd

at work we use SCCM to image our computers. I have our SCCM iso file, that is a just a windows PE that boots the computer so that it can then contact the SCCM server and install windows. I needed to add a driver for a usb to Ethernet device to this Windows PE file. I used imagex and dism, and it said that adding the driver was successful.
the problem I have now is trying to make a bootable dvd from the modified SCCM winPE files. I tried using burnaware, and choose to create a bootable ISO. it says it creates the iso successfully. then I use isorecorder to create the dvd. I do this in this way because before I modified the SCCM iso file, I would use isorecorder to create bootable dvd's with no problem using our original SCCM iso file.
I've tried using boot emulation and not using emulation, but the dvd won't boot the computer. I try our original unmodified sccm iso, and it boot the computer, with no problems.
Any ideas on what I'm missing?
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David Johnson, CD, MVPOwnerCommented:
use oscdimg i.e.
oscdimg -n -bc:\winpe_x86\ c:\winpe_x86\ISO c:\winpe_x86\winpe_x86.iso

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Benjamin VoglarIT ProCommented:
Can you please tell us which version of SCCM do you have ?
JeffBeallAuthor Commented:
thank you - the oscdimg command worked.
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