Server 2008 domainprep Domainprep –W2K or W2K3 AD forest already exists
If the DC for 2003 is 32bit you have to use adprep32 not adprep
–> ADPREP /Forestprep on the w2k/w2k3 schema master (both w2k/w2k3 forests)
–> ADPREP /rodcprep on the w2k3 domain master (only w2k3 forests)
–> ADPREP /domainprep on the w2k3 infrastructure master (only w2k3 domains)
–> ADPREP /domainprep /gpprep on the w2k infrastructure master (only w2k domains)
–> on the stand alone server execute: DCPROMO
–> and provide the information needed