Troubleshooting website display or functionality issues in Edge on Windows 11
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I uninstalled and reinstalled my reader using device manager. I have my CAC plugged in, yet it keeps popping up this error: No Client Certificate presented #555.550130d6.1772585115.111b3804. I don't know what else to do.
Troubleshooting website display or functionality issues in Edge on Windows 11
Hi Akil Bennett,
Thanks for reaching out to Microsoft Q&A!
I’m sorry to hear you’re having trouble accessing a site with a CAC reader. The error often means that Edge is not receiving or offering a valid CAC client certificate from Windows, even though the reader is detected. Here’s what you should do next:
1 - Confirm Windows 11 can see your CAC certificates
inetcpl.cpl > press Enter2 - Remove old or incorrect CAC certificates
3 - Reinstall DoD Root & Intermediate certificates
Please also note that some military websites do not fully support personal devices, even when CAC is working correctly. If the same CAC works on a government-managed computer, this confirms the site restriction rather than a Windows or Edge defect.
If all steps above fail, the next step is the military site’s help desk, as Windows and Edge are already functioning correctly at that point.
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