ERROR_ACTIVE_CONNECTIONS - 2402 (0x962)
Active connections still exist.
Updated: Feb 21, 2026
Technical Meaning
The error code ERROR_ACTIVE_CONNECTIONS indicates that there are still active connections to a resource or service. This typically means that the operation cannot be completed because it would disrupt ongoing interactions with the resource.
Error Details
This error is returned when an attempt is made to perform an operation on a resource, but the operation cannot proceed due to existing active connections. The exact nature of these connections can vary depending on the context in which the error occurs. For example, this could be related to network resources, database connections, or other types of services.
Usage Context
This error is commonly encountered in scenarios where a resource needs to be closed or modified while it is still being used by one or more processes. It can occur during operations such as closing a file handle, terminating a service, or disconnecting from a network resource.
Developer Interpretation
When encountering ERROR_ACTIVE_CONNECTIONS, developers should understand that the operation cannot proceed until all active connections are terminated. This error does not provide specific details about which connections are still active; it only indicates that such connections exist and prevent the requested action.
Related Errors
FAQ
Q: What does ERROR_ACTIVE_CONNECTIONS mean?
A: It indicates that there are still active connections to a resource, preventing the operation from completing.
Q: How can I resolve this error?
A: Ensure all active connections are closed before performing the requested operation. This may involve terminating processes or services that have open connections.
Summary
ERROR_ACTIVE_CONNECTIONS is a generic error code indicating that an operation cannot proceed due to existing active connections. Developers should ensure that all relevant connections are terminated before attempting the operation again.