When the program is unable to connect to the internet for payroll services or updates, QuickBooks Error 12007 appears. Usually, an outdated version of QuickBooks, firewall restrictions, or improper internet settings are to blame. Checking internet connectivity, upgrading software, and modifying firewall or security settings are all necessary to fix it. To talk with one of our QuickBooks Experts, give us a call at 1.855.738.2784.