The RFHUTIL is a great tool for interfacing with IBM MQ however you can tell it was developed by an engineer for engineers. So of course the user interface is not very friendly. One thing I found confusing was how to connect to a remote queue manager (e.g. queue manager hosted on a remote machine). Here is how I accomplished this.
Step 1

The problem is that the RFHUTIL says - Invalid QM I tried to give my user ID in the MCA USER field, but that did not yield any success. Hence I typed in the Queue Manager name and it worked. I am using the same format what you suggested. Here the channel is the server Connection channel. Does R run under my version of Windows? How do I update packages in my previous version of R? Diablo 2 serial key change. Should I run 32-bit or 64-bit R? Please see the R FAQ for general information about R and the R Windows FAQ for Windows-specific information. Patches to this release are incorporated in the r-patched snapshot build.

Create a file called rfhutil-remote.bat
Step 2
Edit the file and add the following:
set MQSERVER=CHANNEL/TCP/SERVER_IP:PORT

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set PATH=C:RFHUtil_v7.5;%PATH%
start rfhutilc.exe
Note:
Replace CHANNEL with the remote channel name (e.g. CHANNEL1).
Replace SERVER_IP with the remote server IP Address (e.g. 10.0.0.1).
Replace PORT with the remote server port (e.g. 1414).
Replace the RFHUTIL path with the path to where you installed RFHUTIL.
Step 3
Open the rfhutil-remote.bat file.

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Step 4

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In the Queue Manager Name text box set the connection string. The connection string is the same as the MQSERVER from the batch file. See below.
Afterwards click the 'Load Names' button.

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