QuickBooks payroll connection server error 9000 displays on the screen because of one of the following causes.
When you have an invalid license, QuickBooks error code 9000 may take place.
At the time of sending payroll or paychecks in multi-user mode.
Because of incorrect Windows firewall settings or security.
How to get rid of QuickBooks Error Code 9000?
We recommend applying the following solutions to resolve QuickBooks payroll connection server error 9000.
First of all, you are required to clean all the system junk from the system.
Using the Clean Install Tool may fix the error code 9000.
Correcting the date and time settings of the PC may also fix the same issue.
If the error still persists, get in touch with our ebetterbooks team by dialing a toll-free error support phone number 1-860-215-2261.