I’ve been testing Windows 8.1 within the organisation for a few weeks – and have been experiencing issues with Modern (Metro) Applications when interacting with our zScaler proxy. The issue with this, amongst other cookie-based authenticated proxy servers, is that Modern Applictaions do not support the use of the users cookie to provide authentication to the proxy. Essentially we would see issues such as:
- The Windows Store displays no images / complained about not being connected to the Internet
- Application downloads would fail from the store
- XBox Music and other streaming applications would play no content
For example: