321
Moderate
Max · Streaming
Max client failed to establish a stable stream session.
Quick Answer
Error code 321 on your Max Streaming means: Max client failed to establish a stable stream session.. This is usually fixable — see the step-by-step guide below.
Affected Models
Likely Causes
How to Fix It
1
Use wired connection where possible.
2
Run network quality test.
3
Set DNS to 1.1.1.1 or 8.8.8.8.
4
Disable VPN/proxy.
5
Retry playback after network stabilization.
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
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