What does HRESULT 0xC00D11B8 (NS_E_WMP_PROXY_CONNECT_TIMEOUT) mean?

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Description:

Windows Media Player cannot play the file because the proxy server is not responding. The proxy server might be temporarily unavailable or your Player proxy settings might not be valid.%0

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NS_E_WMP_NO_REMOVABLE_MEDIA	NS_E_WMP_NEED_UPGRADE

NS_E_WMP_PROXY_CONNECT_TIMEOUT

Diagnosing NS_E_WMP_PROXY_CONNECT_TIMEOUT in the Windows Media Player playback path

NS_E_WMP_PROXY_CONNECT_TIMEOUT (0xC00D11B8) is returned when the Player timed out establishing or negotiating a connection with the configured proxy.

Diagnostic discriminator: Measure DNS resolution and TCP or proxy-handshake timing to the configured proxy, not only to the origin. Success after correcting the proxy path isolates connection establishment; changing the origin URL does not.

Actions that obscure the cause

changing the origin server URL before validating the proxy path.

Technical references

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