Windows 2003 serverAd /prep

Hi, i have aproblem where i want to bring a windows 2008R2 server to an existing domain running windows 2003 server. Everytime i try to type Adprep  in command prompt on my windows 2003 server , tell me that it do not recognize that command.
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Mike RoeCommented:
If it is 32 bit you need to run adprep32
usa12Author Commented:
that is what i am typing , it do not work. it says not recognized and batch syntax.
Brian PiercePhotographerCommented:
You need to put the 2008R2 DVD in the 2003 machine (if it autoruns, cancel it), and then run adprep (or Adprep32 if its a 32bit 2003 system), from the sources folder on the DVD.
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usa12Author Commented:
I have copy the Adprep folder from 2008dvd onto c drive in windows2003 server.
But let me try what you are suggesting .
Mohammed TahirMicrosoft Exchange and O365 AdministratorCommented:
Suppose you have copied the Adprep folder on C: drive, you have to run command as below:

C:\Adprep>adprep32.exe /forestprep


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usa12Author Commented:
I get path not found.
usa12Author Commented:
ok, i have try put in the windows dvd 2008 R2 onto my server2003 dvd player.
now i get this error message access denied. i already checked to what groups i am a member off.
Schema master, domain admin, enterprise admin.
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Windows Server 2003

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