To verify this case, look for the following registry key. A temporary workaround is to make sure that the affected users have access to the Office Store for Add-ins (though this is temporary and will not be necessary after Office desktop release). This is a known issue fixed in Outlook Desktop builds 1911(8) and higher, involving user permissions accessing the Office Add-in store.

Message card signature validation failed - iat validation failure, card was processed 70 minutes from IAT Issue 2 - Outlook Desktop does not present actionable messages but Outlook Web (OWA) does The Actionable Messages Debugger will show a diagnostic message similar to: This situation can also arise if there are SMTP mail delays between Microsoft Flow and the user's mailbox of over an hour (more frequently possible when a tenant is using a filtering service that receives mail before routing it to Office 365). Alternatively, actionable messages may be disabled at the tenant level (see above for how to check this). This typically means that a user is not using a supported version of Office 365, or mail for the specific account is being redirected to an on-premises mail server. Issue 1 - Neither Outlook Desktop nor Outlook Web (OWA) give the user actionable responses Installing this tool adds a button within Outlook Desktop and Web that will show diagnostic and error information.Ĭustomers may run into a few issues regarding receiving and approving approval messages directly from within Outlook. The Actionable Messages Debugger for Outlook can help reveal common causes of issues with actionable messages. To ensure the options are enabled, use the following O365 PowerShell command and verify that both options are set to $true: Get-OrganizationConfig | ft ConnectorsActionableMessagesEnabled,SmtpActionableMessagesEnabledįor users that are not on the required version of Outlook, or are using another mail client like Mail.app for iOS/Mac OS X, etc., users will receive an HTML email with links to take the user to the Flow portal to respond to approvals. For the minimum versions of Office that support actionable message, see the Release Notes.Īctionable Messages must be enabled at the O365 tenant level for any users to receive them. For an overview of actionable messages, see the documentation: Actionable messages in Outlook and Office 365 Groups.

Microsoft Flow sends actionable messages to approval recipients so that they may respond to the requests directly from their inbox. This article introduces the known issues and errors that you may have when receiving or responding to actionable flow approval emails directly within Microsoft Office Outlook.Īpplies to: Power Automate Original KB number: 4515128 Summary

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