Technical Tip: FortiGate is prompting the user to select a certificate while login via GUI after upgrading to FortiOS v7.4.6+, v7.0.17, v7.6.2, 7.2.11

[auppal]

Description

This article describes that after upgrading to FortiOS v7.0.17, v7.2.11, v7.4.6+ and v7.6.2, a user may get prompted by the browser to select a certificate while accessing the GUI of the FortiGate.

Scope

FortiGate.

Solution

This is a known issue which is already reported to the internal development team and is currently under investigation. It is tentatively scheduled to be fixed in FortiOS v7.4.8 and  FortiOS v7.6.3.

This bug occurs under the following conditions.:

1. FortiOS v7.0.17, v7.2.11, v7.4.6+ or v7.6.2 is in use.
2. A client machine is installed with a user certificate.
3. FortiGate is installed with the CA certificate which signed the user certificate.

This document will be updated if there is any change in the schedule to fix this issue.