The ef2_master_server_client_fix_restore_toggle.zip file you have requested: Utilities / Misc. Utilities / EF2 Master-Server Toogle fix patch (win) - 2.8kb is not available. Perhaps try browsing all files for the game Star Trek: Elite Force II and upload any files you want to share or are missing. This is the only information we could locate:
Yet another incomprehensible Server Utility from Mr. EF2 himself Chrissstrahl. Allegedly, this tool toggles between the original (Activision) master server and GSIO secondary, which should be quite useful if game support is ever pulled.