Processes in Microsoft 365 for setting up Office apps, redeeming product keys, and activating licenses.
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Based on my research, the error code (715-123280) during Microsoft 365 tenant creation can occur as a tenant provisioning issue, where the backend setup process does not complete successfully on Microsoft's side.
As initial troubleshooting, you can try to:
- Use an InPrivate/Incognito browser session or try a different browser
- Clear browser cache and cookies.
- Disable any VPN or proxy connection.
- Try the signup from a different network connection.
If the issue persists, I recommend contacting Microsoft Support and providing:
- Error Code: 715-123280
- Event ID
- Date and time of the occurrence
- The academic domain used during signup
Because the issue appears to occur during the provisioning stage, Microsoft Support is best positioned to review the backend logs associated with the Event ID and determine what prevented the tenant creation process from completing successfully (Contact Microsoft customer support | Microsoft Support)
I hope this information helps and if you have any further questions, please feel free to ask via coment section