Login Timeout Attribute LoginTimeout (LT) Purpose The number of seconds the driver waits for a connection to be established before returning control to the application and generating a timeout error. To override the value that is set by this connection option for an individual connection, set a different value in the SQL_ATTR_LOGIN_TIMEOUT connection attribute using the SQLSetConnectAttr() function. Valid Values 0 | x where: x is a positive integer that specifies a number of seconds. Behavior If set to 0, inactive connections are kept open. If set to x, inactive connections are closed after the specified number of seconds passes. Default 15 GUI Tab Advanced tab