# GrainCollectionOptions.DeactivationTimeout

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.runtime/orleans.configuration.graincollectionoptions/) | [Properties](/orleans/docs/api/csharp/microsoft.orleans.runtime/orleans.configuration.graincollectionoptions/properties/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Runtime/Configuration/Options/GrainCollectionOptions.cs)

```csharp
public TimeSpan DeactivationTimeout
```

Timeout value before giving up when trying to deactivate a grain activation (waiting for all timers to stop and calling Grain.OnDeactivate())