Logo Utrecht University

Target audience: Staff

Adobe install DUO certificate

  • Step 1

    Open a file which should contain a certificate from DUO.
    The blue bar at the top of the file warns about a not validated certificate.

    Click on “Signature Panel” on the right side.

  • Step 2

    Right click the certificate that is shown on the left side.

  • Step 3

    Click “Show Signature Properties”.

  • Step 4

    Click on “Show Signer’s Certificate…”.

  • Step 5

    Open the tab “Trust”.

  • Step 6

    Click “Add to Trusted Certificates…”.

  • Step 7

    Click “OK”.

  • Step 8

    Tick the box “Use this certificate as a trusted root” and click “OK”.

  • Step 9

    The duo.nl certificate should now be installed in Acrobat Reader.

Last modified: 25/06/2021

Was this manual helpful? Please help us improve our manuals by providing feedback!