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ColdFusion_User
New Participant
November 5, 2025
Question

ColdFusion Server 2021 - 500 - Internal server error.

  • November 5, 2025
  • 1 reply
  • 346 views

Hello Community,

I have inheritted some ColdFusion servers (2021). That has been running great so far but recently, I encountered an odd issue with one of the servers. The issue is that the server stopped processing requests on all instances, whether from websites, APIs, etc. I have tried a number of actions to get this server to start processing requests but all actions have been proven futile at this point.

Steps I've taken:

  1.  rebooting the server
  2. resetting the IIS (restart all coldfusion services)
  3.  recreate the IIS connectors (restart all coldfusion services)
  4.  Ensure all services are running
  5.  Upgrading to the latest available patch (22) on all instances
  6.  Tried creating a new cluster and instance
  7.  I've given elevated permission to the IIS user (IUSR) for all sites
  8.  Verified certs
  9.  Verified Handler mappings
  10.  I checked all possible logs (server, application, exception, etc) but can't find anything that would indicate the error.
  11.  Check event manager logs for System and Application but don't seem to find anything that jumped oput
  12.  I followed some extensive process I found using AI but still nothing.

 

I can't seem to open a case with adobe as I am getting the error below and the admin is no longer available.

 

 

What I haven't done so far is to re-intsall the IIS Roles and Features. If anyone has experienced and have a solution or can help in anyway, please reach out. Thank you

    1 reply

    Charlie Arehart
    Charlie Arehart
    Community Expert
    November 5, 2025

    I'm sorry to hear of your challenges. First you have not shown what the error is. Your screenshots show that Cf itself is working, which is a great start. I suspect it's something in your iis configuration. The error message may help us, but perhaps not. 

     

    I'll say as well that I am confident I could have your server back up (cf site serving requests again) today, perhaps in as little as 15 minutes, via remote screenshare consulting. For more on my rates, approach, satisfaction guarantee, online calendar, email, phone, and more, see the consulting page at carehart.org. I have open slots now and into this evening. I can also help after what's offered on the calendar. 

     

    Hope we get you back on your feet ASAP, one way or the other. 

    /Charlie (troubleshooter, carehart. org)
    C
    ColdFusion_UserAuthor
    New Participant
    November 6, 2025

    Good morning Charlie,

    Thanks for reaching out. I tried uploading more screenshots but they keep getting discarded, not sure why because there's no sensitve data being captured. Let me try again.

    Website Error:

     
    CF services:

     
    IIS Connectors

     

    In regards to your rates, I will have to consult the business as this is an enterprise level setup and get back to you on that. I also believe it's the IIS but not sure what exactly.

     

    D
    Dave Watts
    Community Expert
    November 6, 2025

    Thanks for the shout-out, Dave. And you're right about the email address for Adobe support.  They don't typically respond quickly, and when I wrote originally last night it seemed urgent. Anyway, since then, we three have have made good progress toward resolution.

     

    Oddly, this note of yours (starting, "I'm not sure what you mean" about their reference to "Enterprise setup") is showing up LATER in the list than your earlier one where you offered the quick answer to the web.config permissions issue. (For those seeing this in days to come, on the day of posting the forums here report when posts were made, in terms of "seconds ago" or "minutes ago". That's what I'm basiing my comment on. By tomorrow and beyond it will just report "days ago".) Also, sometimes the order of the replies may well change. I refreshed this page and still saw Dave's "I'm not sure" as the current last one.

     

    Oh, fun with the forums UI! 😞


    I'm not sure why it did that either, but honestly I didn't expect to reply a second time that quickly.

     

    Dave Watts, Eidolon LLC
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