Windows Server 2000 and 2003- adding 2012

So I have two servers: 2000 is the domain controller
2003 - just file server
We just got a new server and i need to put 2012 on the new server. I was told I cannot add 2012 until 2000 is the DC.
So I need to get rid of 2000. But to make 2003 the DC, i would need to install Active directory, and it wont let me unless i find 2003 disk.
So what are my options in case i don't find disk?  
Can I add server 2008 to the network as is now, then make that the DC, and get rid of 2000. then upgrade to 2012.
if not
Can i upgrade 2003 to 2008, make that the DC, and then add 2012 to the network.
Thank you
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Neil RussellTechnical Development LeadCommented:
You can add a 2008R2 server and follow the following guide to get ready to promote it to be a DC.

Once that is a DC you can demote the 2000 server and that will allow you to prepare and install a 2012 server as a DC.

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CubbybulinAuthor Commented:
thank yuo so much
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Windows Server 2012

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