Hi Nev,
I cannot feedback sooner because of implementation and observe data.
It's works well, now the number of record that has corrupted data in the User ID field reduced a lot.
The method we approach is that we install right collation at the each PC that input data to the application.
This problem already make us spend a lot of time before. It almost solved, we still tracking and just check the collation of the PC if there is any corruption data.
I and my team want to send you many thanks for great help, wish you all the best.
My team & me.