# QMSBackendStatus Enum

Namespace: [PIX](https://help.qlik.com/en-US/qlikview-developer/September2025/Subsystems/QMSAPIref/Content/PIX.htm)  
Assembly: PIX.dll

## Syntax

```
[Flags]
public enum QMSBackendStatus
```

### Fields

| Name | Description |
| --- | --- |
| Error |  |
| LEFInvalid |  |
| OK |  |
| QVPRUnavailable |  |
| StartupFailed |  |

### Extension Methods

[ApiFilter.FilterFor<QMSBackendStatus>(Nullable<ApiVersion>)](https://help.qlik.com/en-US/qlikview-developer/September2025/Subsystems/QMSAPIref/Content/PIX.ApiFiltering.ApiFilter.FilterFor.htm#PIX_ApiFiltering_ApiFilter_FilterFor__1___0_System_Nullable_PIX_ApiVersion__)