Detected Office 2019 C2r Retail Could Not Be Converted To Volume -

cscript ospp.vbs /sethst:kms-server-address cscript ospp.vbs /act

Download the free tool from the Microsoft Download Center and double-click to extract its contents ( setup.exe and sample .xml files) to a folder on your computer.

OfficeRTool is a robust script designed to handle C2R to Volume conversions. It is often more effective than generic KMS scripts. Download and run . Choose the option to Convert Retail to Volume . cscript ospp

If none of the above solutions work, you may need to contact Microsoft Support for further assistance. They can provide you with additional troubleshooting steps or repair options.

Restart your computer and attempt the volume conversion script again. Download and run

Create a configuration.xml file that defines the product as a Volume edition (e.g., ProPlus2019Volume ). Run the command: setup.exe /configure configuration.xml . Run your KMS activation tool again. Summary Checklist Remove old retail keys using ospp.vbs . Run as Admin Ensure scripts have permissions. Check Source Use a true Volume License ISO. Reinstall Last resort: Remove retail, install VL.

If the automated script fails, you can try these manual steps to force the conversion or clean the environment: Run as Administrator : Ensure you are right-clicking your script and selecting Run as Administrator Clear Existing Licenses Open Command Prompt as Administrator. Navigate to the Office folder: cd C:\Program Files\Microsoft Office\Office16 Check current licenses: cscript ospp.vbs /dstatus They can provide you with additional troubleshooting steps

You can use ODT to switch your existing installation to a volume channel without a full re-install. Download the Office Deployment Tool.