Are there any out-of-date user mailbox or distribution group SMTP entries in your Exchange e-mail environment? Have you removed an existing Exchange ‘e-mail address policy’ but the old SMTP entry remains across the organisation? Perhaps you are about to migrate identities into the MS Azure cloud using MS AADConnect, and you are cleaning up local
Tag: o365
Prior to embarking on the synchronisation of any local AD user or group accounts into the office 365 cloud, it is essential to ‘clean up’ the objects. 2 key cleanup items spring to mind: It is best practise to match the user account name to the user e-mail address Run the idFix tool over your