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Office 365: How to Remove an Online User Permanently

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The following steps help System Administrators to remove MS online users from Office 365 Portal by using Windows PowerShell.

Steps

1.  Microsoft Online Services Sign-In Assistant

1. Download and Install Microsoft Online Services Sign-In Assistant for IT Professionals RTW.

Microsoft Azure PowerShell:

https://www.microsoft.com/web/handlers/webpi.ashx/getinstaller/WindowsAzurePowershellGet.3f.3f.3fnew.appids

Run PowerShell as Administrator

Run the followind cmd:

Set-ExecutionPolicy RemoteSigned

$UserCredential = Get-Credential (you need to sign in as the Office 365 Portal Admin)

$Session = New-PSSession -ConfigurationName Microsoft.Exchange -ConnectionUri https://outlook.office365.com/powershell-liveid/ -Credential admin@mycompany.onmicrosoft.com -Authentication Basic -AllowRedirection (you need to type the Office 365 portal admin password)

Import-PSSession $Session

Connect-MsolService -Credential $cred (you need to sign in again with your Office 365 portal admin again)

remove-msoluser –userprincipalname user@mycompany.onmicrosoft.com (to move the user from Active Users to Deleted Users)

remove-msoluser –userprincipalname user@mycompany.onmicrosoft.com -RemoveFromRecycleBin (to remove the online user permanently)

4. Double check

Check whether the user was removed or not: Get-MsolUser

5. Close session

To close the session after you finish:

Remove-PSSession $Session 

Important

Please note that you cannot restore the deleted user after removing it permanently from the portal.