Can't sign in to outlook

JJ Everard 41

UTC Date: 2021-09-17T14:00:56.816Z
BootResult: configuration
Client Id: 0D67D2A6E47E497191D21E4A63297C4B
Session Id: eb20f174-6c95-494f-abc5-88a55dacedcf
Client Version: 20210829002.01
err: Microsoft.Exchange.Clients.Owa2.Server.Core.OwaUserHasNoMailboxAndNoLicenseAssignedException
esrc: StartupData
et: ServerError
estack: Error: 500
at i (https://outlook.office365.com/mail/:379:140890)
at https://outlook.office365.com/mail/:379:72596
st: 500
ehk: X-OWA-Error
efe: BYAPR11CA0063
ebe: BYAPR10MB2856
emsg: UserHasNoMailboxAndNoLicenseAssignedError

Says this when I log in?? Help

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KyleXu-MSFT 26,211 Reputation points

2021-09-20T13:24:27.053+00:00

@JJ Everard

Any update about this threas now?
As AndyDavid said, if you want to login to Exchange online OWA(https://outlook.office365.com), you need have Exchange online license first. If the suggestion below helps, please be free to accept it as answer for helping more people.
Opperman, Aspen (S-Mitchell) 11 Reputation points

2022-02-09T14:53:36.617+00:00

It sell won't let me in
Opperman, Aspen (S-Mitchell) 11 Reputation points

2022-02-09T14:53:45.723+00:00

It sell won't let me in
Jonathan Crossland 26 Reputation points

2022-02-11T11:53:32.62+00:00

I have the same issue.

The problem for me is not a licensing issue, despite it thinking so and reporting errors as such.

I have 3 different accounts and microsoft authentication is the worst system I have ever used.

Despite me being logged into my account on microsoft.com and elsewhere, teams and office365 keep switching to my default account I use for windows login.
This means that it wont let me switch profiles and the default profile is the one being checked.

I have the same issue with

office
outlook
office365
teams
sharepoint
visualstudio marketplace
azure
xbox app for windows including my xbox ultimate pass

I need to reflect very hard on why I even use Microsoft products. it may be time to switch everything.

A complete shambles. Microsoft profile auithentication switching is buggy and unnecessarily tied to your windows box.
Deanie Bissette 6 Reputation points

2022-04-19T21:00:01.847+00:00

I have the same issue going on and I have a business standard and an office 365 plan that I can't long into and microsoft can't figure it out. 2 weeks now I have tried and we changed my plan and I told them that the plan is not the problem. So, they tried anyway, now have 2 accounts and still cannot get into either.
DennisCJr757-2 0 Reputation points

2024-01-04T16:07:16.0666667+00:00

User (license) accounts are often tied to (or 'associated with') soft Tokens stored on the computer, or you may also look at is as a traditional Cookie (token) with log-in Session information "carried" inside the Cookie. I have recently done some troubleshooting of similar issues with logging on to a 'Virtual Machine' instance, and found between 5 and 17 Cookies were being created and 'associated' with the log-in Sessions.

If the User knows this is their first time logging in to the web-based or Cloud-based resource and the attempts were (all) made within the last HOUR, then going into the browser's 'Settings' and deleting all the Cookies from the past HOUR, closing and re-launching the browser and attempting access again MAY do the trick! It sounds like a simple answer, and some times the simple answers ARE (do prove to be) the best ones.

Missing a Mailbox or a License ('Error: 500') is a different issue and the previous advice about contact the business' I.T. Administrator or Help Desk hotline is VERY good advice; something on the Backend needs to be checked which the End Users are unable to see themselves. A software license may have a (1.) limited number of 'seats' or Users, (2.) may have run its course on pre-payment such as a 1 year or 3 year license, or (3.) may have been 'Suspended' for some other reason, or {guessing here} (4.) the Users may have a geographically-locked license which is only good in 1 country and now the User has traveled abroad and into a non-covered area. I mean, it could be an intentional 'restriction' of sorts.

Conflicting licenses is another issue entirely and 'Yes!' I think it is possible for a web-browser to be storing and submitting the 'incorrect' license for a user. So what is the quick fix here? ... If permitted, Download another browser and attempt access to the online/cloud-based resource using it! Microsoft Edge (tm) stores its Cookies and Tokens in one area, and another web-browser will DEFINITELY store its Cookies and Tokens in a separate area, so if browser 'A' isn't working, try getting and using browser 'B'.

16 answers

Mohammed Hisham 6 Reputation points

2022-04-25T07:09:36.903+00:00

I just solved exactly the same issue. Let's go a bit backward, this issue was raised after I recovered a user from deletion. I missed out to assign any of the available licenses to that user hence this issue has appeared. So, I went to the admin center, found the user, and make sure that at least one license must be assigned to that user. As for me, it was just for testing purposes I was assigned Microsoft Power Automate Free license to my user. nevertheless, you probably need also to clean your browser cash in order to be all set!
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safwat said 20 Reputation points

2023-05-03T09:31:46.77+00:00

safwat1979
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Thulasi M 0 Reputation points

2023-07-22T05:36:37.78+00:00

very good slove the issuse
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safwat said 20 Reputation points

2023-05-03T09:32:13.9233333+00:00

zeinab1989
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safwat said 20 Reputation points

2023-05-03T09:33:11.7533333+00:00

Karimsaid2015
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safwat said 20 Reputation points

2023-05-03T09:33:36.78+00:00

Angela2016
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