Method 1: RPCDUMP

Tutorial: How to determine which ports Exchange Server is using, method 1: RPCDUMP.

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Most Exchange Server communications are based on Remote Procedure Calls (RPCs). If you are interested in finding out which ports are in use by RPC functions, you can use a utility called RPCDUMP.

According to Microsoft, RPCDUMP is a part of the Windows Server 2003 Resource Kit. However, the utility was available on my test server without me having to install the kit. If you need a copy of RPCDUMP, you can download it as part of the Windows Server 2003 Resource Kit Tools.

To use RPCDUMP to report on port usage, enter the following command:

RPCDUMP /V

Be prepared though. RPCDUMP gives you a whole lot of information related to port and RPC usage. Figure A shows a small portion of this output.

Figure A
Figure A
This is a fraction of the information produced by running the RPCDUMP /V command on an Exchange server.


Tutorial: How to determine which ports Exchange Server is using

 Home: Introduction
 Method 1: RPCDUMP
 Method 2: Netstat
 Method 3: Tasklist

 

 

ABOUT THE AUTHOR:   
 
Brien M. Posey, MCSE
Brien is a Microsoft Most Valuable Professional for his work with Windows 2000 Server and IIS. He has served as CIO for a nationwide chain of hospitals and was once in charge of IT security for Fort Knox. As a freelance technical writer, he has written for Microsoft, TechTarget, CNET, ZDNet, MSD2D, Relevant Technologies and other technology companies.
 

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