When opening the Bitwarden desktop application for the first time, click on the drop-down under the email address box and select self-hosted.
A box will appear requesting you enter the server url: enter https://pwmgr.louisville.edu and click save.
This will save your default settings as self-hosted. Click Continue to login. Please note: This solution is self-hosted, and you will need to be connected to the VPN to login into the vault.