DBMS Output polls even if it is turned off and disabled. What options need to be unchecked in order to stop displaying values in the DBMS Output window?
Make sure all the following are set:
1) Select View|Toad Options|Execute/Compile and uncheck the "Poll for DBMS Output when detected" option
2) Select View|Toad Options|Debugger and uncheck "Enable DBMS Output before debug session"
3) Disable the DBMS window
4) Turn polling off in the DBMS output window
In Toad for Oracle 9.X, this has been identified as a defect and has been reported to the development team. This issue is waiting for fix in a new release of Toad for Oracle