fixed my own
ran this cmdlt
Get-MsolContact -SearchString "* Email address is removed for privacy *" | fl ObjectID
then
Remove-MsolContact -ObjectId 40c4ca1a-4e15-40ad-b0bd-abeca4bcafcd -Force
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i deleted some contacts from azure ad / o365 because these contacts are now being created as actual users in the tenant org. However when I go to add the alias (as was previously the contact) i get this error
This email address is already in use by an active CONTACT (Brian X(Brian.X@keyman .ca)). Try a different email.
There is nothing in deleted items in the tenant org.
I search for that email and it does not find anything .
i tried adding alias thru powershell got this :
PS C:\> Set-Mailbox "Brian.X@keyman .onmicrosoft.com" -EmailAddresses @{Add='Brian.X@keyman .ca'}
An Azure Active Directory call was made to keep object in sync between Azure Active Directory and Exchange Online. However, it
failed. Detailed error message:
Another object with the same value for property EmailAddresses already exists. RequestId : 06cf9225-9596-46c6-92b6-3da52cf264e9
The issue may be transient and please retry a couple of minutes later. If issue persists, please see exception members for more
information.
help help help
fixed my own
ran this cmdlt
Get-MsolContact -SearchString "* Email address is removed for privacy *" | fl ObjectID
then
Remove-MsolContact -ObjectId 40c4ca1a-4e15-40ad-b0bd-abeca4bcafcd -Force