What's the server name in Virtual table server configuration in loadrunner 12.55 version
VTS (Virtual Table Server) is a Web-based GUI that is intended for dynamic testdata and parameters for vusers that need to run on a separate server. The usage is the same for LoadRunner and Performance Center.
The full documentation is available in the GUI once VTS is installed and in the LR/PC installation files.
You can also refer to the online documentation for this product: