oh @Andy_Wismer
I wanted to do a production migration, which i have been putting off for a while now, and this test cases as requested by @stephdl seemed like a wonderful test case to add to the migration, so yes its a production migration, because it has real use data.
Youve staed your case here: Nethserve r7 to Ns8 Migration, With external AD - Support - NethServer Community
lets leave it at that.