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.
Cisco recommends that you have knowledge of these topics:
The information in this document is based on these hardware and
For information on document conventions, refer to
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.
This procedure describes how to use this tool in order to detect if
Microsoft Exchange server communicates properly with Cisco Unity using
Complete these steps in order to run the RPCTest tool:
On the Cisco Unity Server, go to Start > Run, and
type cmd in order to bring up the command-line window.
Change directories to
is the drive letter
where Commserver is installed.
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
This output shows the server on line.
This output shows the server off line.
There is currently no verification procedure available for this
There is currently no specific troubleshooting information available
for this configuration.