The ArmA2Server.exe file you have requested: Official Server Files / ArmA 2 v1.03 Dedicated Server - 8.82mb is not available. Perhaps try browsing all files for the game ARMA 2 and upload any files you want to share or are missing. This is the only information we could locate:
This is the dedicated server for ArmA 2. This server is compatible with the v. 1.03 patch.