QuickBooks Error 12002 can take place while using the internet connection. You can get instant solutions to resolve the same by reading the following blog.
The error 12002 occurred at the time of using the internet connection in QuickBooks Online. This happens due to slow internet or network timeout.
QuickBooks fails to use the Internet Connections on your computer.
This can be caused due to a network timeout or slow internet connection.
Multiple Issues that Trigger QuickBooks Error Code 12002 Windows Firewall security is not allowing QuickBooks to connect with secure websites.
Error 12002 occurs when users try to update the QB or payroll service in QuickBooks.
QuickBooks Error Code 12002 is a payroll update error that generally happens due to internet failure on the system.
The accountants face this error while accounting management or when users perform the QuickBooks update.