# Define MSRPC Protocol parameters

The MSRPC (Microsoft RPC) Protocol Agent allows related connections for the endpoint mapper (EPM) protocol. It also handles NAT modifications for communications between Microsoft Outlook clients and Microsoft Exchange servers.

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For more details about the product and how to configure features, click Help or press F1.

## Steps

1. In the properties of a custom Service you have created, click Select next to the Protocol field and select MSRPC.
2. (Firewall only) On the Protocol Parameters tab, set the parameters for the Protocol.
3. Click OK.