Never crossed my mind to trace it as I could see records flowing into the OLDE DB Command when I attached DataViewer to it.

H o w e v e r...

Changing Engine Thread seems to help.

Out of 7 records to be updated,I consistently get 5 or 6 updated.

(Hell, twice I even got all of them updated - out of some...

No errors whatsoever.

This is literally one of those 'sometimes it works, sometimes it does not'

I see the OLEDB getting one row as expected, firing just fine, but update does not...