# TestCluster.RestartSiloAsync(SiloHandle)

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.testinghost/orleans.testinghost.testcluster/) | [Methods](/orleans/docs/api/csharp/microsoft.orleans.testinghost/orleans.testinghost.testcluster/methods/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.TestingHost/TestCluster.cs#L693-L716)

```csharp
public Task<SiloHandle?> RestartSiloAsync(SiloHandle instance)
```

Do a Stop or Kill of the specified silo, followed by a restart.

### Parameters

- `instance` (`SiloHandle`): Silo to be restarted.