Introduction (Please Read):
This document will provide you with an understanding of the “3146 – ODBC Connection Failed” error.
The “3146 – ODBC Connection Failed” error message displays as a result of a faulty network connection. This error can occur at any point in the database when setup and connected to a database on another computer. The two most common options are either a faulty network card, or SQL will terminate the connection after 30 minutes of inactivity for security reasons.
If you are receiving the error without the program and database sitting idle for more than 30 minutes, please contact an IT professional in order to ensure that your network connection is setup and functioning properly.