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If you’re experiencing slow file transfer speed while you’re copying or moving files in Windows Vista. Even though the issue was supposed to be fixed in Windows Vista SP1, most people will find that the transfer speed is still very slow in Windows Vista even after applying the SP2 upgrade. Here is a simple trick that you can apply to make file transfers a bit faster in Vista.
The trick is to turn off “Remote Differential Compression”. You can try doing this by going to
Control Panel > Programs and Features > Turn Windows Features on or off and uncheck Remote Differential Compression
That’s it. You are done