Most legacy "activators" are bundled with trojans or spyware that can compromise your modern system.
Since Sony sold the Vegas Pro line to in 2016, original Sony activation servers are no longer operational. You must now manage and activate these older licenses through the Magix Service Center. How to Retrieve Your Authentication Code sony vegas pro 9 authentication code
Because Sony Vegas Pro 9 was released in 2009, the original Sony Creative Software registration servers have largely been migrated or retired. Most legacy "activators" are bundled with trojans or