Fix: Polly HttpClientFactory Retry Not Working

Published: May 17, 2026 · By Kumar Kunal

The Error

No retries:

Single request only

Quick Fix - 1 Min

1. services.AddHttpClient<MyClient>().AddPolicyHandler(GetRetryPolicy()). 2. Policy: HttpPolicyExtensions.HandleTransientHttpError().WaitAndRetryAsync(3, i => TimeSpan.FromSeconds(Math.Pow(2,i))). 3. Order: AddPolicyHandler before AddTypedClient. 4. Check exception type: HttpRequestException only.

Root Cause

Policy not registered or handles wrong exception. Only transient errors retry.

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