Cisco Unity

Unity: How to Use the RPCTest Tool to Detect if Microsoft Exchange Server is Reachable

Document ID: 109709

Updated: Feb 26, 2009



This document describes how to use the RPCTest tool available on Cisco Unity to detect via remote procedure call (RPC) if the Microsoft Exchange server is really reachable.

This procedure is helpful when you receive errors that state the Microsoft Exchange server is off line, but you have access to Exchange, and it appears to be reachable.

Before You Begin


Cisco recommends that you have knowledge of these topics:

  • Cisco Unity

  • Microsoft Exchange Server

Components Used

The information in this document is based on these hardware and software versions:

  • Unity versions 4.x and higher

  • Exchange 2000 and higher

    Note: Make sure that Microsoft Exchange is on a separate server than the Cisco Unity server.


For information on document conventions, refer to Cisco Technical TipsConventions.

Use RPCTest to Detect Communication Status with Microsoft Exchange

Cisco Unity uses RPC in order to determine if it can talk to the Microsoft Exchange server. The RPCTest tool uses this functionality to help troubleshoot communications problems between the two servers.

Run the RPCTest Tool on Unity from the Command Line

This procedure describes how to use this tool in order to detect if Microsoft Exchange server communicates properly with Cisco Unity using RPC.

Complete these steps in order to run the RPCTest tool:

  1. On the Cisco Unity Server, go to Start > Run, and type cmd in order to bring up the command-line window.

  2. Change directories to x:\CommServer\Utilities\Customer Support Tools\RPCTest\.

    Where x is the drive letter where Commserver is installed.

  3. Run this command:

    rpctest -s exchangeservername

    Where exchangeservername is the name of your Exchange server that Unity claims does not respond.

    The results of this command show you whether the server is on line or off line.

    This output shows the server on line.


    This output shows the server off line.



There is currently no verification procedure available for this configuration.


There is currently no specific troubleshooting information available for this configuration.

Related Information

Updated: Feb 26, 2009
Document ID: 109709