| –1073807303 | VI_ERROR_IN_PROGRESS | Unable to queue the asynchronous operation because there is already an operation in progress. |
| –1073807302 | VI_ERROR_INV_SETUP | Unable to start operation because setup is invalid (due to attributes being set to an inconsistent state). |
| –1073807301 | VI_ERROR_QUEUE_ERROR | Unable to queue the asynchronous operation. |
| –1073807300 | VI_ERROR_ALLOC | Insufficient system resources to perform necessary memory allocation. |
| –1073807299 | VI_ERROR_INV_MASK | Invalid buffer mask specified. |
| –1073807298 | VI_ERROR_IO | Could not perform operation because of I/O error. |
| –1073807297 | VI_ERROR_INV_FMT | A format specifier in the format string is invalid. |
| –1073807295 | VI_ERROR_NSUP_FMT | A format specifier in the format string is not supported. |
| –1073807294 | VI_ERROR_LINE_IN_USE | The specified trigger line is currently in use. |
| –1073807290 | VI_ERROR_NSUP_MODE | The specified mode is not supported by this VISA implementation. |
| –1073807286 | VI_ERROR_SRQ_NOCCURRED | Service request has not been received for the session. |
| –1073807282 | VI_ERROR_INV_SPACE | Invalid address space specified. |
| –1073807279 | VI_ERROR_INV_OFFSET | Invalid offset specified. |
| –1073807278 | VI_ERROR_INV_WIDTH | Invalid access width specified. |
| –1073807276 | VI_ERROR_NSUP_OFFSET | Specified offset is not accessible from this hardware. |
| –1073807275 | VI_ERROR_NSUP_VAR_WIDTH | Cannot support source and destination widths that are different. |
| –1073807273 | VI_ERROR_WINDOW_NMAPPED | The specified session is not currently mapped. |
| –1073807271 | VI_ERROR_RESP_PENDING | A previous response is still pending, causing a multiple query error. |
| –1073807265 | VI_ERROR_NLISTENERS | No listeners condition is detected (both NRFD and NDAC are deasserted). |
| –1073807264 | VI_ERROR_NCIC | The interface associated with this session is not currently the controller in charge. |
| –1073807263 | VI_ERROR_NSYS_CNTLR | The interface associated with this session is not the system controller. |
| –1073807257 | VI_ERROR_NSUP_OPER | The given session or object reference does not support this operation. |
| –1073807256 | VI_ERROR_INTR_PENDING | An interrupt is still pending from a previous call. |
| –1073807254 | VI_ERROR_ASRL_PARITY | A parity error occurred during transfer. |
| –1073807253 | VI_ERROR_ASRL_FRAMING | A framing error occurred during transfer. |
| –1073807252 | VI_ERROR_ASRL_OVERRUN | An overrun error occurred during transfer. A character was not read from the hardware before the next character arrived. |
| –1073807250 | VI_ERROR_TRIG_NMAPPED | The path from trigSrc to trigDest is not currently mapped. |
| –1073807248 | VI_ERROR_NSUP_ALIGN_OFFSET | The specified offset is not properly aligned for the access width of the operation. |
| –1073807247 | VI_ERROR_USER_BUF | A specified user buffer is not valid or cannot be accessed for the required size. |
| –1073807246 | VI_ERROR_RSRC_BUSY | The resource is valid, but VISA cannot currently access it. |
| –1073807242 | VI_ERROR_NSUP_WIDTH | Specified width is not supported by this hardware. |
| –1073807240 | VI_ERROR_INV_PARAMETER | The value of some parameter (which parameter is not known) is invalid. |
| –1073807239 | VI_ERROR_INV_PROT | The protocol specified is invalid. |
| –1073807237 | VI_ERROR_INV_SIZE | Invalid size of window specified. |
| –1073807232 | VI_ERROR_WINDOW_MAPPED | The specified session currently contains a mapped window. |
| –1073807231 | VI_ERROR_NIMPL_OPER | The given operation is not implemented. |
| –1073807229 | VI_ERROR_INV_LENGTH | Invalid length specified. |
| –1073807215 | VI_ERROR_INV_MODE | Invalid mode specified. |
| –1073807204 | VI_ERROR_SESN_NLOCKED | The current session did not have a lock on the resource. |
| –1073807201 | VI_ERROR_NSUP_INTR | The interface cannot generate an interrupt on the requested level or with the requested statusID value. |
| –1073807202 | VI_ERROR_LIBRARY_NFOUND | A code library required by VISA could not be located or loaded. |
| –1073807200 | VI_ERROR_INV_LINE | The value specified by the line parameter is invalid. |
| –1073807199 | VI_ERROR_FILE_ACCESS | An error occurred while trying to open the specified file. Possible reasons include an invalid path or lack of access rights. |
| –1073807198 | VI_ERROR_FILE_IO | An error occurred while performing I/O on the specified file. |
| –1073807197 | VI_ERROR_NSUP_LINE | One of the specified lines, trigSrc or trigDest, is not supported by this VISA implementation, or the combination of lines is not a valid mapping. |
| –1073807196 | VI_ERROR_NSUP_MECH | The specified mechanism is not supported for the given event type. |
| –1073807195 | VI_ERROR_INTF_NUM_NCONFIG | The interface type is valid, but the specified interface number is not configured. |
| –1073807194 | VI_ERROR_CONN_LOST | The connection for the given session has been lost. |
| –1073807193 | VI_ERROR_MACHINE_NAVAIL | The remote machine does not exist or is not accepting any connections. If the NI-VISA server is installed and running on the remote machine, it might have an incompatible version or might be listening on a different port. |
| –1073807192 | VI_ERROR_NPERMISSION | Access to the remote machine is denied. |
| 0 | VI_SUCCESS | Operation completed successfully. |
| 1073676290 | VI_SUCCESS_EVENT_EN | Specified event is already enabled for at least one of the specified mechanisms. |
| 1073676291 | VI_SUCCESS_EVENT_DIS | Specified event is already disabled for at least one of the specified mechanisms. |
| 1073676292 | VI_SUCCESS_QUEUE_EMPTY | Operation completed successfully, but queue was already empty. |
| 1073676293 | VI_SUCCESS_TERM_CHAR | The specified termination character was read. |
| 1073676294 | VI_SUCCESS_MAX_CNT | The number of bytes transferred is equal to the requested input count. More data might be available. |
| 1073676300 | QUEUE_OVERFLOW | VISA received more event information of the specified type than the configured queue size could hold. |
| 1073676407 | VI_WARN_CONFIG_NLOADED | The specified configuration either does not exist or could not be loaded. VISA-specified defaults will be used. |
| 1073676413 | VI_SUCCESS_DEV_NPRESENT | Session opened successfully, but the device at the specified address is not responding. |
| 1073676414 | VI_SUCCESS_TRIG_MAPPED | The path from trigSrc to trigDest is already mapped. |
| 1073676418 | VI_WARN_NULL_OBJECT | The specified object reference is uninitialized. |
| 1073676416 | VI_SUCCESS_QUEUE_NEMPTY | Wait terminated successfully on receipt of an event notification. There is at least one more event occurrence of the type specified by inEventType available for this session. |
| 1073676420 | VI_WARN_NSUP_ATTR_STATE | Although the specified state of the attribute is valid, it is not supported by this resource implementation. |
| 1073676421 | VI_WARN_UNKNOWN_STATUS | The status code passed to the operation could not be interpreted. |
| 1073676424 | VI_WARN_NSUP_BUF | The specified I/O buffer is not supported. |
| 1073676440 | VI_SUCCESS_NCHAIN | Event handled successfully. Do not invoke any other handlers on this session for this event. |
| 1073676441 | VI_SUCCESS_NESTED_SHARED | Operation completed successfully, and this session has nested shared locks. |
| 1073676442 | VI_SUCCESS_NESTED_EXCLUSIVE | Operation completed successfully, and this session has nested exclusive locks. |
| 1073676443 | VI_SUCCESS_SYNC | Operation completed successfully, but the operation was actually synchronous rather than asynchronous. |
| 1073676457 | VI_WARN_EXT_FUNC_NIMPL | The operation succeeded, but a lower level driver did not implement the extended functionality. |