Authentication failed because the remote party sent a TLS alert: 'HandshakeFailure'.

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Posted on by CU26111030-0

Hello Community,

i am facing the below error for business central on cloud.

The SSL connection could not be established, see inner exception.
Authentication failed because the remote party sent a TLS alert: 'HandshakeFailure'.
The message received was unexpected or badly formatted.

you can check my code:

API working proper in postman.

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Dynamics 365 Business Central

Dynamics 365 Business Central migration

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YUN ZHU 90,070 Super User 2025 Season 2 on at

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Authentication failed because the remote party sent a TLS alert: 'HandshakeFailure'.

Although not exactly the same, hopefully the following examples can give you some hints.

Dynamics 365 Business Central: How to import/read files from OneDrive to Business Central via AL (Graph API)

https://yzhums.com/53153/

Dynamics 365 Business Central: How to upload files from Business Central to OneDrive via AL (Graph API)

https://yzhums.com/58724/

Thanks.

ZHU

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Gerardo Rentería Ga... 22,526 Most Valuable Professional on at

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Authentication failed because the remote party sent a TLS alert: 'HandshakeFailure'.

Hi, good day
I hope this can help you, and give you some hints.

How To Connect To External APIs From Business Central (HTTP Request) - Business Central Geek

Best Regards
Gerardo

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Nitin Verma 21,613 Moderator on at

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Authentication failed because the remote party sent a TLS alert: 'HandshakeFailure'.

Please use httpclient.Post instread of Send function.

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CU05020642-0 7 on at

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Authentication failed because the remote party sent a TLS alert: 'HandshakeFailure'.

hi

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