here's a part of a Knowledge article we created internally:
Change Title and Logo:
Below are the steps for HEAT 2015.X to change the logo and text on the login page: This is an example
Please edit the following page (please make a backup first):
C:\Program Files\FrontRange Solutions\HEAT\AppServer\MVC\Views\Account\_LoginLayout.cshtml
Below is an example to change the lines 35 and 36, where the class named "logo" defines the image, and the next one shows the desired text:
The result would be:
(If you cannot see the changes, do an iisreset and try clearing your browser cache)
It might be different on ISM 2018.1 so please use this with caution.
ITSM Group – Be Better.