Unable to access New Office 365 mailbox

You may get an error message when accessing Office 365 mailbox for the first time. Error message appears like below

Something went wrong

A mailbox couldn’t be found for Rajkumar@domain.com.

X-ClientId: 3534AD6D85F3446280541E27C07EBA42

request-id 7e9f8bee-22ad-4e1a-9dff-de1721d0ae93

X-OWA-Error Microsoft.Exchange.Data.Storage.UserHasNoMailboxException

X-OWA-Version 15.20.2707.29

X-FEServer DM5PR06CA0036

X-BEServer DM6PR18MB2747

Date:2/10/2020 6:10:48 AM



Issue could be because of the Office 365 license not assigned. If you see the license assigned, reprocess the license once and the issue will be resolved.

Once the license reprocessed, you will have access to the mailbox.

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