Assuming the d/b/a is just a false name and not an actual different business
You would have to use an outside 1099 prep package, several are on the net cheap, or I think office depot sells a package, software and forms
I would do each 1099
d/b/a name 1
using the corp EIN
Resolution for '1099 prep package issue: '1099’s for dba?' available: Yes.
The 1099 prep package issue or error code is a known issue in Quickbooks Online (QBO) and/or Quickbooks. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the 1099 prep package issue yourself by looking for a resolution described in the article. If it is a complex 1099 prep package issue or you are unable to solve the issue, you may contact us by clicking here or by using other 1099 prep package support options.
For more information about resolving issues related to 1099 prep package in Quickbooks/QBO or to get support for the issue '1099’s for dba?', click the link below: