Oracle.DataAccess still try to access oraops12.dll after uninstall

Question

First I have both 11 and 12 oracle client on my machine. But when i try to use 11g version of oracle.dataacess.dll .

I already remove a 12c register on regedit and s

Answer 1

I just had this issue. Make sure and remove all of the policy folders and oracle.dataaccess folders that start with 2.12 in both c:\windows\assembly and c:\windows\Microsoft.net\assembly. 2.11x means oracle 11.x, and 2.12x means Oracle 12.x.