# QuickBooks Online: QuickBooks Mac 2020 - "QuickBooks lost connection" error when attempting to enable multi user mode

- Impact (vendor’s label): major
- Status: resolved
- Started: 2021-08-09 17:04 UTC · Resolved: 2021-08-12 15:00 UTC · Duration: 3 d
- Updates: 1
- [Vendor status page: https://status.quickbooks.intuit.com/incidents/7j8gj6vxqsbs](https://status.quickbooks.intuit.com/incidents/7j8gj6vxqsbs)
- [Company: QuickBooks Online](https://rewindex.com/company/quickbooks-online.md)

## Timeline of updates

- **resolved** 2021-08-12 15:00 UTC: This issue is now resolved. Please open your QuickBooks for Mac 2020 and download the latest R10 update. The update can be downloaded by going to the QuickBooks menu, then choosing Check for QuickBooks Updates. Once installed you can then enable multiuser mode under the File menu. Please make sure all users have the latest R10 update installed before connecting to the company file. For more information about setting up multiuser mode in QuickBooks for Mac please see this article https://community.intuit.com/content/L8pJEwbXd\_US\_en\_US.

_From the vendor’s published history: only the final update text is available for incidents before Rewindex began polling this page._


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Canonical: https://rewindex.com/company/quickbooks-online/incidents/7j8gj6vxqsbs · Markdown: https://rewindex.com/company/quickbooks-online/incidents/7j8gj6vxqsbs.md · JSON: https://rewindex.com/api/v1/companies/quickbooks-online/incidents/7j8gj6vxqsbs · Generated 2026-10-18T09:46:14.831Z