To avoid the CRC Error on DVD2 do this:
DVD1:
Copy all files to this dvd except data4.cab and data5.cab from the Disk1 Directory
Burn with a volume name you like, I named mine DMOMMGNC1
DVD2:
Copy all files to this dvd except data2.cab and data3.cab from the Disk1 Directory
Now rename the Disk1 directory to Disk3.
Create a new Directory named Disk1. Now copy
only the complete folder
support from the Disk1 Directory on DVD1 in this folder.
DVD2 looks now like this :
\bin (4 Files)
\disk1 (1 Folder)
\disk3 (1 Folder and 17 Files)
in the Root of the Disk are 3 Files.
Burn with a volume name you like, I named mine DMOMMGNC2
Now the Installer will run without any Errors. Tested with the US Version, works fine.