It seems like you're facing a specific issue with users connecting via RDP to their desktops from both home PCs and within the corporate network, especially after upgrading to Windows 7 and implementing a Firewall policy. The problem you're encountering is related to a time limit on RDP connections, where users can only stay connected for up to 4 hours or disconnect within 5 minutes, and disabling the Windows 7 Firewall resolves the issue. Here are a few steps and considerations to help you troubleshoot and potentially resolve this problem: 1. RDP Timeout Settings: Check if there are any specific RDP timeout settings configured on either the client or server side that could be limiting the connection duration. 2. Firewall...