A network timeout or problems with internet connectivity cause QuickBooks Error 12029 to occur when the program cannot connect to the server. Incorrect SSL settings, firewall restrictions, or security settings can be the cause of this typical issue that arises during program upgrades or paychecks. It can be fixed with network and security settings troubleshooting. For expert guidance and help with QuickBooks, give 1.855.738.2784 a call.