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M
139
Moderate
MongoDB · Database Server & Atlas
MongoDB server reported: SSL Handshake Failed.
Quick Answer
Error code 139 on your MongoDB Database Server & Atlas means: MongoDB server reported: SSL Handshake Failed.. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
MONGO-ATLAS-DEDICATEDMONGO-ATLAS-SERVERLESSMONGO-COMM-6.0MONGO-COMM-7.0MONGO-COMM-8.0MONGO-ENT-6.0MONGO-ENT-7.0MONGO-ENT-8.0
Likely Causes
  1. MongoDB returned code 139 (SSLHandshakeFailed) while processing this request path.
  2. Network path instability interrupted request/response exchange with the service endpoint.
  3. TLS, DNS, or socket negotiation failed before the operation could complete.
How to Fix It
1
Review logs/telemetry for code 139 (SSLHandshakeFailed) and capture the exact command and parameters that triggered it.
2
Verify firewall/proxy/network rules and regional endpoint targeting for the workload.
3
Capture endpoint, DNS resolution, TLS handshake, and socket metrics at failure time.
4
Retry with bounded exponential backoff and idempotency protection where possible.
5
Add monitoring for recurring SSLHandshakeFailed events so future incidents are detected and triaged faster.
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Related Error Codes
12456
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