sbs 2003 to 2011 migration dcpromo

I am moving to an SBS 2003 server to 2011 and hitting an error.  

I read the guides and worked through the prep.  DCdiag is clean on the source server.  The error is dcpromo failed during the first boot with the wizard and answer file.  It appears that DNS is wrong and the new server just cant automatically join the domain.  as a test I ran dcpromo manually and had to change my DNS server to the old server IP to get it to start.  it failed with  a message about needing to run adprep /ropc...  I did run the prep tool on the old server and thought that handled it.

how do I get past this error and continue the migration?

souce server 192.168.16.4
new server 192.168.16.2
gw 192.168.16.1

setup gives my new server 192.168.16.1 and .2 as DNS servers.  neither of which are active as DNS
mathews2001Asked:
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mathews2001Author Commented:
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ktaczalaCommented:
Can you post your answer file values?, no passwords please.  You say it's using the gateway as DNS? Strange?  It should use .4 and .2 as dns.
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mathews2001Author Commented:
I re ran the migration wizard and rebooted the source server.  I was not able to reboot he source server the first time I ran it.  then reinstalled SBS 2011.  i continued to fail until I found the Shift F10 trick.  i had to continually stop the install with this and tweak the network settings to get through a couple steps.  After that most all went normally.
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mathews2001Author Commented:
other replies did not apply, found solution on my own.  yea me.
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