A Proxy Error 429 — the server telling your browser “too many requests” — is one of those transient but productivity-killing problems that can come from either your side (misbehaving scripts, bad proxy configuration, malware) or the server’s side (rate limiting, DDoS protection, load shedding)...
Describes how to use Group Policy to apply WinHTTP proxy settings to Windows clients. Applies to Windows 7/Windows Server 2008 R2 and later versions.
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