Failed test mailbox in Model driven

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Posted on by Community Power Pla... Microsoft Employee

Hi all.

I am trying to Test & Enable Mailbox, that was previously approved.

In alerts, there are errors for incoming, outgoing email

>Exception : Validation Failed for Mailbox **************. Unexpected error occured Unhandled exception:
Exception type: Microsoft.Crm.Asynchronous.EmailConnector.MSGraphUserConfigurationValidationException
Message: NoGraphEnabledExchangeMailboxeFound
at Microsoft.Crm.Asynchronous.EmailConnector.GraphUserConfigurationValidator.Validate(IList`1 credentialInfoList, Guid organizationId, Guid mailboxId) at Microsoft.Crm.Asynchronous.EmailConnector.CredentialInfoFactory.EvoStsCredentialInfoProvider.RetrieveAzureActiveDirectoryObjectIdUsingEmailAddress(String emailAddress, ClientServicePrincipal clientServicePrincipal, ServerServicePrincipal serverPrincipal, AuthorizationServerServicePrincipalCollection authorizationServerPrincipals, ITraceListener traceListener, Guid organizationId, IMailboxData mailbox) at Microsoft.Crm.Asynchronous.EmailConnector.CredentialInfoFactory.EvoStsCredentialInfoProvider.GetCredentialInfo(IMail...

How can I fix it?

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Building Power Apps

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Javier Gallego Microsoft Employee on at

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Hi Eliz,

Please, check his solution:

"An unknown error occurred while sending the email message" error appears when testing and enabling a mailbox in Dynamics 365

Symptom

When you attempt to test and enable a mailbox in Microsoft Dynamics 365, you encounter the following error:

"An unknown error occurred while sending the email message "Your mailbox is now connected to Dynamics 365". Mailbox <Mailbox Name> didn't synchronize. The owner of the associated email server profile <Profile Name> has been notified."

If you click the Details section, you may also see addition details such as the following text:

"Error : System.Net.Mail.SmtpException: Syntax error, command unrecognized. The server response was:

at System.Net.Mail.SmtpConnection.ConnectAndHandshakeAsyncResult.End(IAsyncResult result)
at System.Net.Mail.SmtpTransport.EndGetConnection(IAsyncResult result)
at System.Net.Mail.SmtpClient.ConnectCallback(IAsyncResult result)"

Cause

This error can occur if the Outgoing Port value within the Advanced section of the email server profile is not correct.

Resolution

1. Navigate to Settings, Email Configuration, and then click Email Server Profiles.

2. Open the Email Server Profile that is used by the mailbox encountering this error.

NOTE

You can also click the name of the Email Server Profile within the error message. This appears as a hyperlink which will open the correct Email Server Profile record.

3. Click Advanced.

4. Correct the Outgoing Port value and then click Save.

NOTE

Refer to the documentation from your email provider for the correct ports to use when connecting to the SMTP service. For Gmail the port is 587.

5. Click Mailboxes and then select the mailbox that encountered the error.

6. Click the Test & Enable Mailboxes button.

7. After the tests complete, open the mailbox record and view the Alerts section if the results do not appear as Success.

URL:

https://support.microsoft.com/en-za/help/4092733/an-unknown-error-occurred-while-sending-the-email-message-error-appear

Regards,

JAvier

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Community Power Pla... Microsoft Employee on at

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Hi,
I do not have option Outgoing Port in this setup

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DavidBland 4 on at

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Hi Eliz,

I am having the same issue with a client of mine and was wondering if you ever came up with a resolution to the problem?

Best regards

David

>Exception : Validation Failed for Mailbox *****************************. Unexpected error occured Unhandled exception:
Exception type: Microsoft.Crm.Asynchronous.EmailConnector.MSGraphUserConfigurationValidationException
Message: NoGraphEnabledExchangeMailboxeFound
at Microsoft.Crm.Asynchronous.EmailConnector.GraphUserConfigurationValidator.Validate(IList`1 credentialInfoList, Guid organizationId, Guid mailboxId) at Microsoft.Crm.Asynchronous.EmailConnector.CredentialInfoFactory.EvoStsCredentialInfoProvider.RetrieveAzureActiveDirectoryObjectIdUsingEmailAddress(String emailAddress, ClientServicePrincipal clientServicePrincipal, ServerServicePrincipal serverPrincipal, AuthorizationServerServicePrincipalCollection authorizationServerPrincipals, ITraceListener traceListener, Guid organizationId, IMailboxData mailbox) at Microsoft.Crm.Asynchronous.EmailConnector.CredentialInfoFactory.EvoStsCredentialInfoProvider.GetCredentialInfo(IMail...

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eliz_talent 98 on at

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Hi David,
the problem was in the old version of Outlook when it was updated to Office 365 Outlook - that fixed all.
So the reason is that old Outlook does not support exchange for mailboxes.

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DavidBland 4 on at

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Hi Eliz,
Thanks for the quick response. That is very useful as the client has a mix of 2013 and 2019 mailboxes and in our case, I think it's likely that Autodiscover is defaulting to the 2013 instance.
Thanks again
David

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