%temp%. Look for files named Setup(####).log or use the /log flag for detailed output:setup.exe /configure configuration-office2021enterprise.xml /log C:\install.log"ProPlus2021Volume": The standard Enterprise suite."Standard2021Volume": For the Standard suite.Channel is incorrect. Ensure the Channel is set to PerpetualVL2021 for Volume Licenses. If you are using a Retail key, the product ID should differ (e.g., ProPlus2021Retail), but generally, Enterprise deployments use Volume channels.If you share the actual content of your XML file, I can give a more specific review.