To use the Microsoft Symbol Server
Make sure you have installed the latest version of Debugging Tools for Windows.
Start a debugging session.
Decide where to store the downloaded symbols (the "downstream store"). This can be a local drive or a UNC path.
Set the debugger symbol path as follows, substituting your downstream store path for DownstreamStore.
For example, to download symbols to c:\websymbols, you would add the following to your symbol path:
Note: http://msdl.microsoft.com/download/symbols is not browsable and is intended only for access by the debugger. For more information on setting symbol paths and using symbol servers, see the documentation accompanying Debugging Tools for Windows.