TestComplete 8 and TFS 2010 Lab Management

I'm tryng to r开发者_如何学编程un TestComplete 8 tests with TFS 2010 Lab Management and I keep getting following error when running tests:

File extension specified '.tc8test' is not a valid test extension.

I can't seam to find any solution for this problem.

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Did you install TestComplete (with TFS integration modules) on the Test Agent PC, and the PC where you are configuring your tests (where Visual Studio is installed)?