One or several user are not able to access the devices they should have access to.
The following error messages are displayed:
The logon attempt failed.
The credentials that were used to connect to server did not work.
as shown in the following image.
These users are not able to view their password either, in case the automated login was disabled.
Product: Layer 7 Privileged Access Manager
Running the following steps solved the problem, allowing the affected user to access the devices via RDP or SSH: