Issue
The following warnings appear in the backup:
Processing site https://xxxx.sharepoint.com/sites/sitename finished with warning: Site URL has been changed.
Cause
This is caused by changing the URL of a SharePoint site
Resolution
Delete the old URL for the site as follows:
- Open an administrative Powershell
- Download/Install SharePoint Online Management Shell: Install-Module -Name Microsoft.Online.SharePoint.PowerShell
- Connect to your Tenant and login as global admin: Connect-SPOService -Url “https://{companyname}-admin.sharepoint.com”
- Check if the site still exists: Get-SPOSite -Identity https://{companyname}.sharepoint.com/sites/{sitename}
- If the user still exists here, delete it: Remove-SPOSite -Identity https://{companyname}.sharepoint.com/sites/{sitename}