Product upgrade and migration
No upgrade is supported to the current major version of the product. You must uninstall the existing version of the product before installing the latest version of the product.
After you installed Rational® Performance Tester Rational® Service Tester for SOA Quality 10.1.0, at any point in time if you want to use earlier version of the product, you cannot roll back to the previous version. If you want to use the previous version of the product, you must uninstall the existing version, and then install the required version of the product.