Mac OS X 10.11.4 and later - No readers found

In operating systems Mac OS X 10.11.4 and later you may encounter a situation where the DigiDoc4 Client do not find your smartcard reader.

It's a known OSX issue that is described, for example, here:

The solution is to upgrade your operating system to version 10.11.6.

To upgrade your operating system, do the following:

  • click on the Apple icon at the upper left corner and select 'About this Mac';
  • click on the 'Software Update' button and follow instructions displayed on the screen.

After upgrade restart your computer. Once it's done, check if DigiDoc4 –°lient find the smartcard reader plugged into your computer. The problem should now be solved!

If errors persist then try doing this:

  • download this ccid smart card reader driver package;
  • open dmg file and run ccid-installer by rightclicking on it and choose Open With > Installer and confirm it by clicking Open once again;
  • follow the onscreen instructions given by the wizard and after successful installation please restart your computer again;

If upgrading the operating system or installing the driver package didn't help, please contact us +372 666 8888.


If you didn't find an answer to your question, send it to our team.

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