Removing a DSN Access the ODBC Data Source Administrator dialog box to remove a DSN. About this taskTo remove a DSN: ProcedureFollow steps 1 and 2 from Configuring a new user DSN or system DSN.Click Remove in the ODBC Data Source Administrator dialog box.The 32-bit ODBC Administrator dialog box opens.Click Yes to remove the DSN and return to the ODBC Data Source Administrator dialog box.