System.Data.OracleClient requires Oracle client software ver

Question

HOw to fix this exception in windows application
System.Data.OracleClient requires Oracle client software version 8.1.7 or greater." error message

for fixing
I changed the user permissions also but not solved ?

amShekar · Answer

all ready i have done this and also the machine_config file changed not resolved

Javeed M Shaikh · Answer

Hi Shekar try this: 1. Go to the Oracle Client folder. 2. Right Click on the folder. 3. On security Tab Add Authenticated Users and give this account Read & Execute permission. 4. Apply this security for all folders Subfolders and Files 5. Don't Forget to REBOOT your Machine.