# ConnectionFailedException

Package: [Microsoft.Orleans.Core](/orleans/docs/api/csharp/microsoft.orleans.core/) 10.0.0

[NuGet package](https://www.nuget.org/packages/Microsoft.Orleans.Core) | [Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Core/Networking/ConnectionFailedException.cs#L9)

```csharp
public class ConnectionFailedException : OrleansException
```

Indicates that a connection failed.

## Constructors

- [ConnectionFailedException](/orleans/docs/api/csharp/microsoft.orleans.core/orleans.runtime.messaging.connectionfailedexception/constructors/constructor-f1d47c21/)
- [ConnectionFailedException(string)](/orleans/docs/api/csharp/microsoft.orleans.core/orleans.runtime.messaging.connectionfailedexception/constructors/constructor-string-09c9ef93/)
- [ConnectionFailedException(string, Exception)](/orleans/docs/api/csharp/microsoft.orleans.core/orleans.runtime.messaging.connectionfailedexception/constructors/constructor-string-system-exception-545e4c79/)