ERROR_NO_SITENAME - 1919 (0x77F)
No site name is available for this machine.
Updated: Feb 21, 2026
Technical Meaning
The error code ERROR_NO_SITENAME with the numeric value of 1919 and hexadecimal representation of 0x77F indicates that no site name is available for the machine. This typically occurs in environments where a domain or site name configuration is required but not properly set up.
Error Details
This error code is returned by certain Windows APIs when an operation requires a site name, which is often used in Active Directory and other network configurations. The absence of a site name can lead to issues with network connectivity, authentication, and resource access.
Usage Context
The ERROR_NO_SITENAME error typically arises in scenarios where the system or application relies on a specific site name for its operations. This could include domain controllers, member servers, or client machines that are part of an Active Directory environment.
Developer Interpretation
Developers should interpret this error as an indication that the necessary configuration for network or domain-related operations is missing. The absence of a site name can affect various aspects of system behavior, such as DNS resolution, Kerberos authentication, and group policy application.
Related Errors
ERROR_NO_SUCH_DOMAIN(2019, 0x7F3): Indicates that the specified domain does not exist.ERROR_INVALID_NAME(123, 0x4E): General error indicating an invalid name or path was provided.
FAQ
Q: What causes this error?
A: This error occurs when no site name is configured for the machine in a network environment that requires it. Common causes include missing domain controller configurations or incorrect network settings.
Q: How can I resolve this issue?
A: Ensure that the necessary site name configuration is set up on the machine. This may involve updating DNS records, configuring Active Directory settings, or adjusting network properties in the operating system.
Summary
The ERROR_NO_SITENAME error code (1919, 0x77F) indicates a missing site name configuration in the Windows environment. Developers should treat this as an indication that critical network or domain-related configurations are incomplete and require attention to ensure proper system operation.