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CAC Reader stopped working

I have been using my CAC reader daily since March. Last Thursday it mysteriously stopped working. All the DOD Certs are re-loaded (and trusted), but I cannot access the certs that are on the CAC. I did not install any OS updates (currently running Catalina v. 10.15.6.

MacBook Pro

Posted on Aug 5, 2020 2:09 PM

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Posted on Aug 6, 2020 6:38 AM

Try accessing the sites in a Private browser window. That will prevent it from using any cached credentials, and prevent it from saving any.

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8 replies

Aug 6, 2020 6:56 PM in response to Barney-15E

Yes, CAC reader lights up and shows up in the System Report correctly. CAC works with another reader on two different machines. Will try another CAC reader tomorrow (when I can get one). Have tried several different websites (not accounts) with no luck. System will just not recognize the certs on the CAC. It worked from March until last Thurs and all of a sudden stopped reading the CAC certs. Do you know if Apple pushed a new software update around then???

CAC Reader stopped working

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