

If you are trying to connect to, make sure you are providing (or whatever is appropriate!) but not in SharePoint Online.

Here are the possible causes and solutions: This could happen in any PowerShell method like CSOM, SharePoint Online Management Shell Connect-SPOService, or PnP PowerShell Connect-PnPOnline cmdlet.

I’ve experienced this error in SharePoint Online PowerShell scripts a couple of times. Problem: Getting “The sign-in name or password does not match one in the Microsoft account system” Error in SharePoint Online.
