UserHasNoMailboxAndNoLicenseAssignedError

Question

UTC Date: 2025-03-19T06:27:33.565Z
Client Id: 49E1648ECF544DB2ABD83289EC73D06E
Session Id: 14009c85-09a0-4ca1-b27b-3a961b15b084
Client Version: 20250307002.17
BootResult: configuration
Back Filled Errors: Unhandled Rejection: Error: 500:undefined|undefined:undefined
err: Microsoft.Exchange.Clients.Owa2.Server.Core.OwaUserHasNoMailboxAndNoLicenseAssignedException
esrc: StartupData
et: ServerError
estack: Error: 500
    at Object.s [as createStatusErrorMessage] (https://res.public.onecdn.static.microsoft/owamail/hashed-v1/scripts/owa.mailindex.8b53afd4.js:1:142760)
    at https://res.public.onecdn.static.microsoft/owamail/hashed-v1/scripts/owa.mailindex.8b53afd4.js:1:155397
st: 500
ehk: X-OWA-Error
efe: SE2P216CA0080
emsg: UserHasNoMailboxAndNoLicenseAssignedError

Answer 1

Hi @승렬 오 ,

Welcome to our forum!

Based on my research on the error "UserHasNoMailboxAndNoLicenseAssignedError", i found that it indicates that the admin has not assigned Exchange online license to your account yet, or in some cases it could be your admin has made a change lately in license settings. Please refer to the following steps and contact your admin to assign a license to your account:

1. In the admin center, go to the Billing > Licenses page.
2. Select a product.
3. On the product details page, select Assign licenses.
4. In the Assign licenses to users pane, begin typing a name, and then choose it from the results to add it to the list. You can add up to 20 users at a time.
5. Select Turn apps and services on or off to assign or remove access to specific items.
6. When you're finished, select Assign, then close the right pane.

Hope the above help!

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Answer 2

This might help

https://learn.microsoft.com/en-us/answers/questions/1080144/userhasnomailboxandnolicenseassignederror?source=docs