asked on

Office 365 Proxy Address

Hi,

I am trying to remove an old email address from a user in AD thats sync via AAD Connect as I would like to use the email address for a DL.

In AD I have removed the SMTP address from proxyAddresses and forced a sync but the email address is still listed in the Office portal, how can I remove the address?

UPN - reception@companya.com
email to remove from user - reception@companya.com
Current primary email - jo@companyb.com

Thanks,

J0rtIT

Hi ben, you would need just to remove it completely, force update and then create use it in your DL.

$credential = New-Object -TypeName System.Management.Automation.PSCredential -argumentList  "user@domain.onmicrosoft.com", ("thePassword" | ConvertTo-securestring -AsPlainText -Force)
Connect-MsolService -Credential $Credential

#Remove users online users without license
Get-MsolUser | where{ $_.isLicensed -eq  $false} | foreach{ Remove-MsolUser -UserPrincipalName $_.UserPrincipalName}

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jose

Ben S

ASKER

Hi Jose,

Would jo@companyb.com lose the mail in the mailbox running the above PowerShell?

I have tried other script but keep getting this error:

The operation on mailbox "User" failed because it's out of the
current user's write scope. The action 'Set-Mailbox', 'EmailAddresses', can't
be performed on the object 'User' because the object is being
synchronized from your on-premises organization. This action should be
performed on the object in your on-premises organization.

J0rtIT

In the 1st line, would be your domain admin user

in the second line would be the one you want to remove, this would be

#This would be the remove of the deteledusers
Get-MsolUser -ReturnDeletedUsers | foreach{ Remove-MsolUser -RemoveFromRecycleBin -ObjectId $_.Objectid -Force }

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ASKER CERTIFIED SOLUTION

Vasil Michev (MVP)

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Aaron Guilmette

1. If you're syncing, it has to be removed from on-premises.
2. You're trying to remove the SMTP address that matches the UPN of the user, which will cause you problems.