After clicking Launch Upgrade Utility to apply a hotfix, the utility's login page gives the error "Invalid Credentials!" when attempting to login with the config user.
Privileged Access Manager 4.3.0
The password included one of the following special characters, which caused the login to fail.
& < >
The issue is currently under review by the engineering team. As a workaround, log into https://pamurl.example.com/config/ and update the config user's password to remove the problem special character.
Internal testing of the PAM Upgrade Utility login page was successful with the following special characters.
! @ # $ ^ * ( ) - _ = + [ ] { } | ; : / ? , .