Travel Expense Management (TEM) - Error: This service is only available on a university network or through an authorized VPN

A campus VPN connection (Virtual Private Networking) is required to access the Travel and Expense Management (TEM) application from an off-campus network.

Instructions: Logging into TEM from off-campus

Clearing browser cache is mentioned in the article above.  Here are instructions to clear cache: Clearing Browser Cache and Cookies