How to Fix Authentication Failed Error
To fix the “MongoDBServerError: BadAuth: Authentication failed” error, follow these steps:
1. Verify Credentials
Ensure that you’re using the correct username and password to authenticate with MongoDB. Double-check for typos or mistakes in the credentials.
2. Check Authentication Mechanism
Verify that the authentication mechanism specified in your connection string or MongoDB client is correct and supported by your MongoDB server. Common authentication mechanisms include SCRAM-SHA-1, SCRAM-SHA-256, and MONGODB-X509.
3. Check Authentication Configuration
Review the authentication configuration settings in your MongoDB server configuration file (mongod.conf). Ensure that authentication is enabled (security.authorization: enabled) and configured correctly.
4. Test Connectivity
Test the network connectivity between your client and MongoDB server. Ensure that the MongoDB server is reachable from the client machine and that there are no firewall or network restrictions blocking the connection.
How to fix the Error MongoDB Server Error
Encountering authentication errors while working with MongoDB can be frustrating, especially for beginners. One common error is “MongoDBServerError: BadAuth: Authentication failed.” In this article, we’ll explore what causes this error and how to fix it step by step, covering all the concepts in an easy-to-understand manner.