Hi,
When i was in Dynamics Business central cloud version 24.0, emails sending was working fine but after updating environment to version 26.1 , email sending not working
Note: Test email is working
Error message on send PO document(Sending from current user):
"LicenseServiceNonTransientException: Service resource is gone. Exception details : Status code returned: 'Gone', HTTP request error: Unknown, Message: "[AuthenticationHandler.AcquireTokenSilentWithLoginHintAsync with certificate] threw MsalClaimsChallengeException with errorCode: invalid_grant, correlationId:, details: AADSTS50158: External security challenge not satisfied. User will be redirected to another page or authentication provider to satisfy additional authentication challenges. Trace ID: Correlation ID: Timestamp: The returned error contains a claims challenge. For additional info on how to handle claims related to multifactor authentication, Conditional Access, and incremental consent, see https://aka.ms/msal-conditional-access-claims. If you are using the On-Behalf-Of flow, see https://aka.ms/msal-conditional-access-claims-obo for details."
this error callstack:
"Email - OAuth Client"(CodeUnit 4507).TryGetAccessTokenInternal - Email - Outlook REST API by Microsoft version 26.1.33404.33834
"Email - OAuth Client"(CodeUnit 4507).GetAccessToken - Email - Outlook REST API by Microsoft version 26.1.33404.33834
"Email - Outlook API Helper"(CodeUnit 4509).Send line 8 - Email - Outlook REST API by Microsoft version 26.1.33404.33834
"Current User Connector"(CodeUnit 4500).Send line 2 - Email - Current User Connector by Microsoft version 26.1.33404.33834
"Send Email"(CodeUnit 8890).OnRun(Trigger) line 25 - System Application by Microsoft version 26.1.33404.35168
"Email Dispatcher"(CodeUnit 8888).SendEmail line 22 - System Application by Microsoft version 26.1.33404.35168
"Email Dispatcher"(CodeUnit 8888).OnRun(Trigger) line 20 - System Application by Microsoft version 26.1.33404.35168
"Email Impl"(CodeUnit 8900).Send line 41 - System Application by Microsoft version 26.1.33404.35168
"Email Impl"(CodeUnit 8900).Send line 2 - System Application by Microsoft version 26.1.33404.35168
"Email Editor"(CodeUnit 8906).SendOutbox line 7 - System Application by Microsoft version 26.1.33404.35168
"Email Editor"(Page 13).ValidateAndSendEmailData line 8 - System Application by Microsoft version 26.1.33404.35168
"Email Editor"(Page 13)."Send - OnAction"(Trigger) line 2 - System Application by Microsoft version 26.1.33404.35168