"Mailbox does not have an email server profile associated with it or the email server profile is inactive" error occurs in Microsoft Dynamics 365

This article provides a solution to an error that occurs after selecting the Test & Enable Mailbox button in Dynamics 365.

Applies to:   Microsoft Dynamics 365
Original KB number:   4484702

Symptoms

After selecting the Test & Enable Mailbox button in Dynamics 365, the test results show as Failure and the following error appears on the Alerts tab of the mailbox:

"Email cannot be received because the mailbox [Mailbox Name] does not have an email server profile associated with it or the email server profile is inactive.
Email Server Error Code: InvalidIncomingEmailServerProfile"

Cause

This error will appear if the user's mailbox record in Dynamics 365 either doesn't have a value specified for the Server Profile field or the associated server profile is deactivated.

Resolution

1. Open the mailbox record in Dynamics 365 and verify the Server Profile field has a value selected.
2. If a value is already selected, open the associated server profile and review the Status shown at the bottom of the page.
3. If the Email Server Profile shows a status of Inactive, follow these steps:
   1. Navigate to Settings, Email Configuration, and Email Server Profiles.
   2. Switch the view to Inactive Email Server Profiles.
   3. Select the Email Server Profile, select Activate, and then select OK.
4. Switch back to the mailbox record, and then select the Test and Enable Mailbox button.
5. If any test results show as Failure, view the Alerts section.