Install-Module -Name AzureAD -Force -AllowClobber Import-Module AzureAD
Connect-AzureAD Get-AzureADMSGroup
copy ID
Remove-AzureADMSGroup -Id <ReplaceWithGroupID> Get-AzureADMSDeletedGroup
copy ID
Remove-AzureADMSDeletedDirectoryObject -Id <ReplaceWithGroupID>
Install-Module -Name Microsoft.Online.SharePoint.PowerShell
Connect-SPOService https://<yourdomain>-admin.sharepoint.com/ Remove-SPOSite -Identity <url-sharepointsite> -NoWait Remove-SPODeletedSite -Identity <url-sharepointsite>