Salut,
Tu ne peux pas supprimer cette limitation de 2Go, mais d'après la doc, tu dois pouvoir te débrouiller avec la fonction DiskSpanning
Citation :
The maximum size of a compiled setup.exe file remains 2,100,000,000 bytes, so if you are creating an installation with a compressed size larger than that, it is necessary to enable the disk spanning feature (by setting DiskSpanning to yes and DiskSliceSize to a large number) to split the installation into smaller chunks, even if you don't actually have multiple physical disks. For more information, see the updated description of the DiskSpanning directive in the help file.