OPC UA Client Error Codes
If diagnosing error code 270 - No valid endpoint, use the Endpoints tool that is available in the OPC UA Client Driver Statistics Dialog widget.
| Error code (Decimal) |
Error code (Hex) |
Meaning |
|---|---|---|
| -10051 | Port unreachable | |
| -10053 | Connection aborted | |
| -10054 | Connection reset | |
| -10060 | Connection timeout | |
| -10061 | Connection refused | |
| -10065 | Host unreachable | |
| 0 | 0x0000 | No error |
| 259 | 0x0103 | Failed to connect to server |
| 260 | 0x0104 | Connection to server lost |
| 261 | 0x0105 | Bad message received |
| 262 | 0x0106 | Missing client certificate |
| 263 | 0x0107 | Missing server certificate or thumbprint |
| 264 | 0x0108 | Bad security policy reflection |
| 265 | 0x0109 | Incorrect security token ID |
| 266 | 0x010A | Decryption failure |
| 267 | 0x010B | Message signature mismatch |
| 268 | 0x010C | Incorrect request ID or sequence number |
| 269 | 0x010D | Bad Server URI |
| 270 | 0x010E | No valid endpoint |
| 512 | 0x0200 | Server Certificate is untrusted |
| 513 | 0x0201 | Server Certificate is unreadable |
| 514 | 0x0202 | Server Certificate subject mismatch |
| 515 | 0x0203 | Server Certificate missing required EKU |
| 516 | 0x0204 | Server Certificate bad validity |
| 517 | 0x0205 | Incorrect Certificate supplied by server |
| 518 | 0x0206 | Server failed to correctly sign data |
| 519 | 0x0207 | Incorrect endpoints supplied by server |
| 520 | 0x0208 | Server time offset is too large |
| 32768 | 0x8000 | Unspecific Error |
| 32769 | 0x8001 | An unexpected error occurred |
| 32770 | 0x8002 | An internal error occurred as a result of a programming or configuration error |
| 32771 | 0x8003 | Not enough memory to complete the operation |
| 32775 | 0x8007 | Decoding halted because of invalid data in the stream |
| 32776 | 0x8008 | The message encoding/decoding limits imposed by the stack have been exceeded |
| 32778 | 0x800A | The operation timed out |
| 32782 | 0x800E | The server has stopped and cannot process any requests |
| 32784 | 0x8010 | The request could not be processed because it specified too many operations |
| 32787 | 0x8013 | An error occurred verifying security |
| 32800 | 0x8020 | The User Identity Token is not valid |
| 32801 | 0x8021 | The server rejected the User Identity Token |
| 32803 | 0x8023 | The timestamp is outside the range allowed by the server |
| 32805 | 0x8025 | The Session ID is not valid |
| 32806 | 0x8026 | The session was closed by the client |
| 32808 | 0x8028 | The subscription ID is not valid |
| 32820 | 0x8034 | The node id refers to a node that does not exist in the server address space |
| 32847 | 0x804F | The server URI is not a valid URI |
| 32853 | 0x8055 | The security policy does not meet the requirements set by the server |
| 32889 | 0x8079 | There is no subscription available for this session |
| 32902 | 0x8086 | The secure channel has been closed |
| 32904 | 0x8088 | The sequence number is not valid |
