QuickBooks Error 15270 can arise not due to just one, but many triggers. To name a few - a poor internet connection, incorrect Employee Identification Number, presence of virus or malware in the system, running of multiple softwares simultaneously. The most effective way to deal with this is to check if the payroll subscription is active or not. We understand you might require some additional help to perform these steps. Click here to read our advisory blog, or call 1-855-856-0042 to speak with an expert and discuss this further.