ERROR_TRANSPORT_FULL - 4328 (0x10E8)
Cannot use the transport because it is already in use.
Updated: Feb 21, 2026
Technical Meaning
The ERROR_TRANSPORT_FULL error code, represented by the numeric value 4328 or its hexadecimal equivalent 0x10E8, signifies that a transport mechanism is already in use and cannot be utilized for the current operation. This error typically arises when an attempt is made to establish a connection or initiate a transfer over a transport layer that is currently occupied.
Error Details
This error code is indicative of a situation where resources associated with a specific transport are fully allocated, preventing further operations from being performed on it. The transport in question could be any form of communication channel such as a network interface, serial port, or other data transfer mechanism within the Windows operating system.
Usage Context
The ERROR_TRANSPORT_FULL error is commonly encountered in scenarios involving network communications, file transfers, and device interactions where multiple operations attempt to utilize the same transport simultaneously. It can occur during attempts to open a connection, send data, or perform other actions that require exclusive access to the transport.
Developer Interpretation
Developers should interpret this error as an indication that the specified transport is already engaged in another operation and cannot be used for the current request. This could mean that a previous operation has not completed, or there are limitations on the number of concurrent operations allowed over the transport.
Related Errors
- ERROR_TRANSPORT_NOT_OPEN (0x10E7): Indicates that the transport is not open and cannot be used.
- ERROR_TRANSPORT_ALREADY_CONNECTED (0x10E9): Suggests that a connection attempt was made to an already connected transport.
FAQ
Q: What does ERROR_TRANSPORT_FULL mean?
A: It indicates that the specified transport is currently in use and cannot be used for the current operation.
Q: How can I resolve this error?
A: Ensure that any previous operations using the transport have completed, or adjust your application to handle concurrent operations more effectively.
Summary
The ERROR_TRANSPORT_FULL error code is a generic indication that a transport mechanism is already in use and cannot be used for the current operation. Developers should ensure proper handling of such errors by managing resource allocation and ensuring that transports are not overutilized or misused.