M
13
Easy Fix
MongoDB · Database Server & Atlas
MongoDB server reported: Unauthorized.
Quick Answer
Error code 13 on your MongoDB Database Server & Atlas means: MongoDB server reported: Unauthorized.. This is usually fixable — see the step-by-step guide below.
Affected Models
Likely Causes
  1. MongoDB returned code 13 (Unauthorized) while processing this request path.
  2. Credentials, account state, or security policy did not satisfy authentication requirements.
  3. The caller identity was valid but lacked required privileges for this action.
How to Fix It
1
Review logs/telemetry for code 13 (Unauthorized) and capture the exact command and parameters that triggered it.
2
Rotate credentials if needed and run a least-privilege permission audit for this operation.
3
Re-check account/role bindings, tenant scope, and credential freshness before retrying.
4
Validate auth configuration in code and environment variables against the current deployment.
5
Add monitoring for recurring Unauthorized events so future incidents are detected and triaged faster.
Pro Tip
This is a common issue that most users can resolve without specialized tools. Try the first step before moving on to more complex solutions.
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