Windows Communication Foundation (WCF) depends on several resources that are provided by the operating system to function. The following table lists those resources.
| Resource | Description |
|---|---|
Microsoft Distributed Transaction Coordinator (MSDTC) |
Required to support OleTx transactions. |
Message Queuing (MSMQ) |
Required to support reliable messaging. |
Internet Information Services (IIS) |
Required if you want to use IIS to host your application. |
Windows Process Activation Service (WAS) |
Required if you want to use WAS to host your application. |