Description
This article describes the reason why certificates cannot be removed.
Solution
Sometimes, it could happened that imported certificate needs to be deleted and the 'Delete' button is greyed out.
First of all, check if there is any 'Reference' for the selected certificate.
Then, it is possible to delete it from CLI:
# config vpn certificate caAfter deleting the GUI is going to reflecting the status.
delete "CA_Cert_1"
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Technical Tip: Unable to remove revoked certificate: delete button is greyed out
