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O365 A004 Bad User is authenticated but not connected
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lim  
#1 Posted : Monday, October 10, 2022 8:18:29 PM(UTC)
lim

Rank: Newbie

Groups: Registered
Joined: 10/10/2022(UTC)
Posts: 2
Hong Kong
Hi
I have a program run as window service.
every 15s check mailbox, if new mail arrived, download it

We upgraded EAGetMail from 4.6.5.5 to 5.2.5.6
because changing login with basic auth to OAuth2.0

I login O365 account and saved token in txt like your sample project
I could access the mailbox and download it correctly (using same token),
But it failed after serveral minutes, I got A004 Bad User is authenticated but not connected
after that every connect got A002 NO AUTHENTICATE failed.

re-login could work another 5-30 mins, but it need login manually.

Is there something need setting? or other method to access mailbox?
Please help, Thank you
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ivan  
#2 Posted : Wednesday, October 12, 2022 8:29:31 AM(UTC)
ivan

Rank: Administration

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Joined: 11/11/2010(UTC)
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do you refresh the token by refresh token? Please email to our support email address for assistance.
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lim  
#3 Posted : Sunday, October 16, 2022 10:16:56 PM(UTC)
lim

Rank: Newbie

Groups: Registered
Joined: 10/10/2022(UTC)
Posts: 2
Hong Kong
OK, I refresh token and it work again,
Sometime it still got Error A004
so I refresh the token even it not yet expire.
Thanks for help
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johnm  
#4 Posted : Tuesday, November 22, 2022 9:09:26 PM(UTC)
johnm

Rank: Newbie

Groups: Registered
Joined: 11/22/2022(UTC)
Posts: 1
Australia
I have a script that runs every 10 minutes or so that connects to O365. Occasionally this error pops up and typically it works again on the next run.

While I haven't found the cause of the error yet, one theory is that it is related to a throttling of the service by Microsoft. This is something we have experienced with O365 in the past, although with different symptoms.

If I find an explanation or solution I will post it here.
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