Return
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Title
Discover Public Folders Error: "Exception of type 'Microsoft.Exchange.WebServices.Data.ServiceRequestException' was thrown" -
Description
In one Migration-Project, the Discovery-Task displays the following error: "Task execution failed" / Exception of type 'Microsoft.Exchange.WebServices.Data.ServiceRequestException' was thrown.
What is causing this?
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Cause
The Public Folders 'Configure Connections' button | Source connect does not have the correct value in the Advanced | EWS address. Usually caused by a period at the end.
OR
MFA / Access Policies applied to the service accounts -
Resolution
Edit the Public Folders 'Configure Connections' button | Source | Advanced | EWS
Confirm this value is used: https://outlook.office365.com/EWS/Exchange.asmx
AND
Confirm that there are no MFA / Access Policies applied to the service account -
Defect ID
ODMEM-I-103