RPC_X_SS_CANNOT_GET_CALL_HANDLE - 1779 (0x6F3)
The stub is unable to get the remote procedure call handle.
Updated: Feb 21, 2026
Technical Meaning
The error code RPC_X_SS_CANNOT_GET_CALL_HANDLE with the numeric value 1779 and hexadecimal representation 0x6F3 indicates that a stub is unable to obtain the handle for a remote procedure call. This typically suggests an issue in the handling or management of RPC calls within the system.
Error Details
The RPC_X_SS_CANNOT_GET_CALL_HANDLE error is specific to Remote Procedure Call (RPC) operations and occurs when the necessary handle cannot be retrieved, preventing the execution of the intended remote procedure call. This can happen due to various reasons such as invalid parameters or incorrect object types being passed during the RPC operation.
Usage Context
This error code is relevant in scenarios where an application attempts to make a remote procedure call using the Remote Procedure Call (RPC) framework provided by Windows. It may be encountered when working with distributed applications, network services, or any component that relies on RPC for inter-process communication.
Developer Interpretation
When encountering this error, developers should focus on validating the parameters and ensuring correct object types are being used in the context of the remote procedure call. The error suggests that there might be an issue with how the handle is being managed or accessed within the application or service making the RPC request.
Related Errors
RPC_S_CALL_FAILED(0x80010103): Indicates a failure in executing the remote procedure call.RPC_X_SS_CANT_CREATE_ENDPOINT(0x80010107): Suggests that an endpoint cannot be created for the RPC service.
FAQ
Q: What does the error code 1779 mean?
A: The error code 1779, RPC_X_SS_CANNOT_GET_CALL_HANDLE, indicates that a stub is unable to get the remote procedure call handle during an RPC operation. This typically points to issues with parameter validation or object type handling.
Q: How can I troubleshoot this issue?
A: Review the parameters and ensure they are correctly formatted for the RPC operation. Verify that the correct object types are being used, and check if any system limits have been exceeded.
Summary
The RPC_X_SS_CANNOT_GET_CALL_HANDLE error (1779) is a specific error code indicating an issue with obtaining a handle for a remote procedure call. Developers should focus on parameter validation and ensuring correct object types are being used to resolve this error.