| Error | Likely Cause | Fix | |-------|--------------|-----| | 0x80070005 | Permission denied | Run CMD as Administrator. | | 0x80040609 | Invalid channel for product | Change Channel to PerpetualVL2021 (not MonthlyEnterprise ). | | 0x80070002 | File not found | Ensure setup.exe and XML are in same folder; check XML for typos. | | Installation hangs | Conflicting Office MSI leftovers | Use Microsoft SaRA tool to scrub old Office entries. | | PIDKEY not accepted | Wrong key or product ID mismatch | Verify ProPlus2021Volume vs Standard2021Volume . |
exactly what to do. While you can edit this in Notepad, the best way to create a precise file is the Office Customization Tool (OCT) Key elements in your XML often include: Product ID : For enterprise 2021, this is usually ProPlus2021Volume Standard2021Volume PerpetualVL2021 ExcludeApp setup.exe configure. configuration-office2021enterprise.xml
That was victory.
: Admins often use the Office Customization Tool to visually build their XML file instead of coding it by hand. | Error | Likely Cause | Fix |