To isolate QuickBooks Migration Failed Unexpectedly error, first update your Windows to the most recent version. Make sure your machine satisfies the migration's system requirements. Once finished, repeat the migration process. If the issue remains, then We will have to manually relocate your QuickBooks desktop. Follow the steps to do so:
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Make a copy of your company's files as a backup.
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Set up the QBDT software on your PC.
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Restore the files in the newly installed software.
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When you have moved your company files, download the most recent tax table.
You can also take intuit support to solve the error.
