QB Issue Resolution:
Launch it on the old MacBook, choose QuickBooks->About. The license number and product code should be in the bottom of the dialog.
Resolution for Issue 'Install quickbooks 2009 on my new MacBook Air from my old MacBook' available: Yes (Solved).
Source: Intuit Community forum.
Install quickbooks 2009 on my new MacBook Air from my old MacBook: this 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 issue yourself by looking for a resolution described below. If it is a complex issue or you are unable to solve the issue, you may contact us by clicking here or by using other support options.Support for Quickbooks
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