MDAC version ODBC manager ============================= ... MDAC 2.5 RTM 3.520.4403.2 MDAC 2.5 SP1 3.520.4403.2 MDAC 2.6 3.520.6526.0 MDAC 2.6 sp1 3.520.7326 MDAC 2.7 3.520.7430 MDAC 2.8 3.520.7713Check "Connection pooling" if Enabled/Disable in ODBC manager for your ODBC driver.