You’ll need at least QB 2015, the oldest currently supported version for connected services. It will ‘sunset’ in a few months, so probably get something newer.
Resolution for 'connected services issue: 'How do I cancel QBO and keep banking with desktop 2013 as I have done before.' available: Yes.
The connected services 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 connected services issue yourself by looking for a resolution described in the article. If it is a complex connected services issue or you are unable to solve the issue, you may contact us by clicking here or by using other connected services support options.
For more information about resolving issues related to connected services in Quickbooks/QBO or to get support for the issue 'How do I cancel QBO and keep banking with desktop 2013 as I have done before.', click the link below: