Hello thanks for reaching out !
Sign in: Go to the Microsoft 365 Developer Program dashboard and sign in with the Dev Essentials account.
- Confirm eligibility: Verify the account is linked to Visual Studio Dev Essentials.
- Attempt setup: Click “Set up E5 sandbox” and follow the prompts.
- Switch account (if blocked): Try with a personal Microsoft account to provision the tenant.
- Capture error: Take a screenshot of the failure or “no tenant” state.
- Submit support request: Use the Microsoft 365 Developer Program support form.
- State the issue clearly: “No tenant provisioned, cannot access admin center, cannot open support tickets; request manual sandbox tenant provisioning.”
- Attach evidence: Include screenshots and the Dev Essentials membership confirmation.
- Await escalation: Monitor email for the M365 Developer Program team’s manual provisioning update