MongoDB · January 2, 2024

How to fix MongoDB Error Code - 13 - Unauthorized

How to Fix MongoDB Error Code - 13 - Unauthorized

MongoDB is a popular open-source NoSQL database that offers high performance, scalability, and flexibility. However, like any other software, it can encounter errors that may disrupt its normal operation. One such error is MongoDB Error Code - 13 - Unauthorized. In this article, we will explore the causes of this error and provide step-by-step solutions to fix it.

Understanding MongoDB Error Code - 13 - Unauthorized

MongoDB Error Code - 13 - Unauthorized occurs when a user attempts to perform an operation without the necessary privileges. This error is often encountered when trying to execute administrative tasks or access certain resources within the database.

There are several reasons why this error may occur:

  • Insufficient Privileges: The user attempting the operation does not have the required privileges to perform the action.
  • Incorrect Authentication: The user credentials provided are incorrect or have expired.
  • Incorrect Configuration: The MongoDB server is not properly configured to grant the necessary privileges to the user.

Fixing MongoDB Error Code - 13 - Unauthorized

To resolve MongoDB Error Code - 13 - Unauthorized, follow these steps:

Step 1: Verify User Privileges

Ensure that the user attempting the operation has the necessary privileges. You can check the user's privileges by connecting to the MongoDB server and running the following command:

use admin
db.getUser("username")

Replace "username" with the actual username of the user. If the user does not have the required privileges, you can grant them by executing the following command:

use admin
db.grantRolesToUser("username", ["role1", "role2"])

Replace "username" with the actual username of the user and "role1", "role2" with the desired roles.

Step 2: Check Authentication Credentials

Verify that the authentication credentials provided are correct. If you are using a username and password to authenticate, ensure that they are entered correctly. If the credentials have expired, you can update them by connecting to the MongoDB server and running the following command:

use admin
db.changeUserPassword("username", "newpassword")

Replace "username" with the actual username of the user and "newpassword" with the desired password.

Step 3: Verify MongoDB Configuration

Check the MongoDB server configuration to ensure that it is properly granting privileges to users. Open the MongoDB configuration file (usually located at /etc/mongod.conf) and verify that the authorization option is set to "enabled". If it is set to "disabled", change it to "enabled" and restart the MongoDB service.

Summary

MongoDB Error Code - 13 - Unauthorized can be resolved by verifying user privileges, checking authentication credentials, and ensuring proper MongoDB configuration. By following the steps outlined in this article, you can fix this error and continue using MongoDB without any disruptions.

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