A family of Microsoft relational database management systems designed for ease of use.
This reminded me of the ODBC connection pooling and connection time outs.
https://docs.microsoft.com/en-us/previous-versions/windows/desktop/odbc/dn170560(v=vs.85)
Old post but possibly relevant. https://www.techonthenet.com/access/queries/timing\_out.php
I am not sure if this will help you, or add to the rabbit hole.