1. Ok. You deleted a user from your on-premise Active Directory and it's still showing that bugger in Azure Active Directory. Your Google Kung-Fu is strong, but you can't find the dang commands. Here is what worked for me. 2. Get Connected via Powershell to Office365 / AzureAD: https://www.microsoft.com/en-us/download/details.aspx?id=28177 ( Install ) https://blog.migrationking.com/2018/12/how-to-connect-powershell-to-office365.html https://docs.microsoft.com/en-us/cli/azure/install-azure-cli-windows?view=azure-cli-latest ( Install ) 3. Install-Module -Name AzureAD 4. After your connected. Run the following command: PS C:\Windows\system32> Remove-MsolUser -UserPrincipalName rick.james@unitedfederationofplanets.gov Confirm Continue with this operation? [Y] Yes [N] No [S] Suspend [?] Help (default is "Y"): Y 5. Check your AzureAD portal to make sure it's gone. https://aad.portal.azure.com/#blade/Microsoft_AAD_IAM/UsersManagementMenuBlade