Description This article how to fix the error 'Login failed. A valid
certificate is required to log in.' when logging in to the GUI of
FortiGate. Scope FortiGate. Solution When logging in to the GUI of
FortiGate, an error message appears 'Login faile...
Description This article describes how to fix the warning message under
Dashboard -> Assets & Identities -> Asset View -> View the
'Vulnerabilities' column, when the tooltip displays 'OT Vulnerabilities
are not shown as FortiGuard OT license is inact...
Description This article describes solutions on how to fix the
certificate warning message 'The Certificate Issuer for this site is
Untrusted or unknown.’ in FortiClient VPN when a self-signed certificate
such as the Fortinet Factory default built-in...
Description This article describes solution when FortiGate is unable to
synchronize with FortiManager Cloud. In this scenario, status of
FortiManager Cloud shows 'Not Managed' in FortiGate and 'Unknown' in
FortiManager Cloud. Scope FortiManager Cloud...
Description This article describes a solution on how to resolve an issue
when a local user is not able to log in to FortiClient showing
'Permission denied. (-455)' error. Scope FortiGate, FortiClient.
Solution In this example, local VPN user 'PearlAn...