SourceCode.Workflow.Common.EWS: Autodiscover Failure: The Exchange server is not available

Question

Hi Guys, our K2 (5.0) app is running without changes for quite sometimes (> years) and out of sudden we are having error on sending email notification. This happen on all email events and started in 31 Mar 2022.

The error return is :

SourceCode.Workflow.Common.EWS: Autodiscover Failure: The Exchange server is not available, the password is or the e-mail

The email account is valid with correct password, and we wonder what causing the error. I have also run setup manager to check the configured EWS/URL setting and is valid and success as well.

FYI - when run the exchange test client (with exchange online ticked) - it show error on

No matching Autodiscover DNS SRV records were found.

Appreciate your input on this topic.

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Hi,

You may check this link. https://community.nintex.com/t5/Technical-Issues/K2-and-upcoming-changes-to-Exchange-Online-authentication/ta-p/124404

or

https://community.nintex.com/t5/K2-Five-Forum/Autodiscover-not-available-and-mail-cannot-be-sent-with-Exchange/m-p/216027#M10303

Regards,

Thanks. Your solution works !