ERROR_CONNECTED_OTHER_PASSWORD_DEFAULT - 2109 (0x83D)
The network connection was made successfully using default credentials.
Updated: Feb 21, 2026
Technical Meaning
The error code ERROR_CONNECTED_OTHER_PASSWORD_DEFAULT (2109, 0x83D) indicates that a network connection was established successfully using default credentials. This return code is typically used in the context of Windows API functions such as NetUseAdd or WNetAddConnection2, which are responsible for establishing network connections.
Error Details
This error is returned when the operation to connect to a network resource or share with default credentials was successful, but it may also indicate that the connection was made using alternative authentication methods. The term 'default' in this context refers to the use of predefined or system-wide credentials rather than user-provided ones.
Usage Context
This error code is relevant when working with Windows network APIs and functions that involve establishing connections to remote resources. It can be used by developers to determine if a connection was made successfully using default authentication mechanisms, which might be necessary in certain scenarios where explicit user interaction for credentials is not desired or feasible.
Developer Interpretation
Developers should interpret this error code as an indication of successful network connection establishment with the use of default credentials. This can be useful for logging purposes and for understanding the context under which a particular operation was performed. However, it does not provide detailed information about the specific authentication method used or any potential security implications.
Related Errors
ERROR_ACCESS_DENIED(5) - Indicates that access to the resource is denied due to incorrect credentials.ERROR_LOGON_FAILURE(1326) - Indicates a failure in the logon process, which could be related to authentication issues.
FAQ
Q: What does this error mean?
A: This error indicates that a network connection was established successfully using default credentials. It is used by Windows APIs to report successful connections made with predefined or system-wide credentials.
Q: How can I handle this in my application?
A: You should log the success of the operation and consider any necessary security measures, such as ensuring that default credentials are not stored or transmitted insecurely.
Summary
The ERROR_CONNECTED_OTHER_PASSWORD_DEFAULT (2109) error code is a generic return value used by Windows APIs to indicate successful network connection establishment with default credentials. Developers should use this information for logging and security purposes, but it does not provide detailed insights into the authentication process or potential risks.