Today I ran into this problem. If you experience this the same way that people are in a related error , this is actually just a problem with the default node setting. You can set the node configuration manually using the json file, as described here in the "Configuring JSON Nodes" section.
If on each of your nodes you have a unique json file with entries such as:
{ "platform": "VISTA", "browserName": "internet explorer", "maxInstances": 1, "seleniumProtocol": "WebDriver" }
replacing VISTA with the desired platform name, node will respond only to these requests, and remote WebDrivers will be created accordingly!
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