Microsoft Authenticator
A Microsoft app for iOS and Android devices that enables authentication with two-factor verification, phone sign-in, and code generation.
3,250 questions
401 InvalidAuthenticationToken: Access token has expired or is not yet valid.
Sajed Almorsy
0
Reputation points
We are using Microsoft Graph API to send Outlook emails.
The access token expires after ~1 hour, we refresh it with the refresh token and it works just fine.
However, sometimes, the access token is refreshed successfully, we see the new expiration date which is 1 hour in the future, but trying to use the newly obtained access token we get the following error:
401 InvalidAuthenticationToken: Access token has expired or is not yet valid. from
This doesn't happen every time we refresh the token, sometimes it works well for several months and then we get the above error.
the error says has expired or is not yet valid, it's not expired because the expiration date is 1 hour in the future by the time we see the error as it's just refreshed.
so we think it might be or is not yet valid, do we have to wait for some time before we start using the new access token, Any other suggestions?
{count} votes
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ChristyZhang-MSFT 11,831 Reputation points Microsoft Vendor
2023-05-24T02:00:09.11+00:00 Hi @Sajed Almorsy ,
Looks like your issue is more related to Graph, please kindly understand that the Outlook tag here we mainly focus on general issues about Outlook desktop client. In order to better solve your problem, we will add "Graph App" tag.
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CarlZhao-MSFT 23,346 Reputation points2023-05-24T02:45:33.43+00:00 Hi @Sajed Almorsy ,
Check to see if your refresh token has expired.
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Sajed Almorsy 0 Reputation points
2023-05-24T13:13:39.6533333+00:00 @CarlZhao-MSFT, the refresh token is valid, we use it to refresh the access token, and get the new access token, then we try to use the newly fetched access token but we get the error shown in the ticket
Again, this is not a persistent behavior, we usually are able to use the new access token but not always
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