Can't run the Ethernet IP Capacity Tool? How to fix the missing mfc100.dll error

So you've downloaded and installed Rockwell's Ethernet/IP capacity tool, but it won't run?

Are you getting the below pup-up error which states, “The program can't start because mfc100.dll is missing…”

Well the good news is there is a pretty easy fix for this issue.

What you need is to install the Visual Studio 32bit redistributable package.

To get it, start buy navigating to the below URL:

• http://www.microsoft.com/downloads/en/details.aspx?FamilyID=a7b7a05e-6de6-4d3a-a423-37bf0912db84

Once downloaded, install the above package.

Once installed, you should now be able to open and run Rockwell's Ethernet/IP Capacity Tool.

For more information about this tool, see our previous articles:

• How to get Rockwell's Ethernet/IP Capacity Tool
• Using the Ethernet/IP Capacity Tool
• L32E vs L33ER: Which can control more I/O?

I hope you found today's article helpful. If you have any comments, questions, or suggestions please don't hesitate to leave them with us by filling in the “leave a reply” form at the bottom of this page.

Sincerely,

Shawn Tierney
Automation Blogger and Trainer

Need personalized help? For as little as $25 per month you can get direct access to ask me Rockwell PLC, HMI, and SCADA questions! Learn the details at Patreon.com/Automation