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

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 “post a comment or question” link below.

Until next time, Peace ✌️ 

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Shawn M Tierney
Technology Enthusiast & Content Creator

Eliminate commercials and gain access to my weekly full length hands-on, news, and Q&A sessions by becoming a member at The Automation Blog or on YouTube. You'll also find all of my affordable PLC, HMI, and SCADA courses at TheAutomationSchool.com.

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Shawn Tierney

I'm a lifelong Technology Enthusiast who began programing in the early 80's on the Apple II and VIC-20 personal computers. After earning a degree in Electronics, I worked as a Certified Controls and Information Automation Specialist for 25 years before leaving to become a full time Industrial Automation instructor and mentor at TheAutomationSchool, as well as publishing industry interviews, news, and product how-to’s at TheAutomationBlog.com. If you're interested in my training, mentoring, or becoming a sponsor, please schedule a teams meeting with me via https://calendly.com/shawntierney/business-meeting

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