Hi Dear Community.
I am posting this issue as I myself have not encountered the following issue but my colleague's machine has the following error when an email is being sent from a shared mailbox.
Error Message
Microsoft.Flow.RPA.Desktop.Modules.SDK.ActionException: Failed to send email message ---> System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.Runtime.InteropServices.COMException: The operation failed. The messaging interfaces have returned an unknown error. If the problem persists, restart Outlook. Cannot resolve recipient.
--- End of inner exception stack trace ---
at System.RuntimeType.InvokeDispMethod(String name, BindingFlags invokeAttr, Object target, Object[] args, Boolean[] byrefModifiers, Int32 culture, String[] namedParameters)
at System.RuntimeType.InvokeMember(String name, BindingFlags bindingFlags, Binder binder, Object target, Object[] providedArgs, ParameterModifier[] modifiers, CultureInfo culture, String[] namedParams)
at System.Type.InvokeMember(String name, BindingFlags invokeAttr, Binder binder, Object target, Object[] args, CultureInfo culture)
at Microsoft.Flow.RPA.Desktop.Modules.Outlook.Actions.OutlookActions.InvokeMethod(Object o, String methodName, Object[] methodArgs)
at Microsoft.Flow.RPA.Desktop.Modules.Outlook.Actions.OutlookActions.SendEmailThroughOutlook(Variant outlookInstance, Variant account, Variant from, Variant to, Variant cc, Variant bcc, Variant subject, Variant body, Variant attachments, Boolean isBodyHtml, Int32 sendEmailFrom)
--- End of inner exception stack trace ---
at Microsoft.Flow.RPA.Desktop.Modules.Outlook.Actions.SendEmailThroughOutlook.Execute(ActionContext context)
at Microsoft.Flow.RPA.Desktop.Robin.Engine.Execution.ActionRunner.Run(IActionStatement statement, Dictionary`2 inputArguments, Dictionary`2 outputArguments)
I did suggest my colleague to try out the following KBAs
https://docs.microsoft.com/en-us/outlook/troubleshoot/profiles-and-accounts/operation-failed-send-email-outlook
https://docs.microsoft.com/en-us/outlook/troubleshoot/security/a-program-is-trying-to-send-an-email-message-on-your-behalf
But nothing has worked so far. I would certianly appreciate if anybody who had such an issue before and has resolved to share their resolution steps.
Thank you!
