Update: please see our updated blog post on this subject.
Today we are announcing that we will begin blocking the assignment of the ApplicationImpersonation role in Exchange Online to accounts star...
Updated Nov 22, 2024
Version 12.0
Blog Post
_cparker I ran the script but FilteredResults.csv and impersonationUserMapping.csv is empty, does that mean my tenant is not impacted by RBAC change?
Do I still need to do anything before\after Feb 2025 which will not impact my tenant?
this is what I see in the Audit logs.
{"CreationTime":"2024-04-10T12:04:19","Id":"dae80bde-eb7b-4cf0-ad97-32fb027767fe","Operation":"MailItemsAccessed","OrganizationId":"07847aad-c472-4668-be75-634109ea978a","RecordType":50,"ResultStatus":"Succeeded","UserKey":"100320036C0A572B","UserType":0,"Version":1,"Workload":"Exchange","UserId":"Removedforprivacy","AppId":"9fd38622-d9b4-4401-b1b9-1ce14c5e435a","ClientAppId":"eed83176-464d-48c7-a887-cc5cc534c7b8","ClientIPAddress":"2603:1036:307:3::5","ClientInfoString":"Client=WebServices;EWSProxy\/MailApp\/9fd38622-d9b4-4401-b1b9-1ce14c5e435a;","ExternalAccess":false,"InternalLogonType":0,"LogonType":0,"LogonUserSid":"S-1-5-21-2765108035-566218639-1600234036-36760465","MailboxGuid":"daab61f2-6bdc-4749-94e6-ce8312c48a7c","MailboxOwnerSid":"S-1-5-21-2765108035-566218639-1600234036-36760465","MailboxOwnerUPN":"Removed forprivacy","OperationProperties":[{"Name":"MailAccessType","Value":"Bind"},{"Name":"IsThrottled","Value":"False"}],"OrganizationName":"Inc.onmicrosoft.com","OriginatingServer":"BY1PR22MB5533 (15.20.4200.000)\r\n","Folders":[{"FolderItems":[{"Id":"RgAAAAAnm2fTqC\/lTrTOH3enCOIWBwAAEeH7FS+BS4xfZiGDbTkwAAAAAAEMAAAAEeH7FS+BS4xfZiGDbTkwAAAAAGcUAAAJ","InternetMessageId":"<email address removed for privacy reasons>","SizeInBytes":82109}],"Id":"LgAAAAAnm2fTqC\/lTrTOH3enCOIWAQAAEeH7FS+BS4xfZiGDbTkwAAAAAAEMAAAB","Path":"\\Inbox"}],"OperationCount":1}