Windows 7 Randomly unreachable on reboot

The issue where your computers become unreachable after rebooting remotely but continue to function normally for outgoing traffic presents a tricky situation. Here's a step-by-step process you can undertake to troubleshoot this problem: 1. Power Cycle the Affected Computers: - Completely shut down the affected computers by turning off the power. - Wait for a few minutes before restarting them. - Monitor if the computers become reachable after this manual power cycle. 2. Check Event Viewer for Errors: - Access the Event Viewer on the affected computers to identify any system or network-related errors that occur during startup. - Look for connectivity issues, network card errors, or any system warnings that might provide insight into the problem. 3. Verify Connectivity Settings: - Ensure that the network settings, including IP addresses, subnet mask, and gateway, are configured correctly. - Check if there are any IP conflicts within the network that might disrupt connectivity post-reboot. 4. Update Network Drivers: - Update the network adapter drivers on the affected computers to the latest versions available from the manufacturer's website. - Outdated or incompatible network drivers can lead to connectivity issues. 5. Disable Fast Startup: - Disable Fast Startup in Windows 7, which can sometimes cause networking problems. - To do this, go to Control Panel > Power Options > Choose what the power buttons do > Change settings that are currently unavailable > Uncheck "Turn on fast startup." 6. Review Wake-on-LAN Settings: - Ensure that Wake-on-LAN settings are correctly configured and not interfering with network connectivity upon startup. 7. Check Group Policy Settings: - Review Group Policy settings that might impact network access post-reboot. - Look for policies related to Windows Firewall, network profiles, or other security settings. 8. Conduct Network Troubleshooting: - Utilize network diagnostic tools like the Command Prompt with commands such as ipconfig, ping, tracert, and netsh to troubleshoot network connectivity issues post-reboot. Implement these troubleshooting steps systematically to identify and resolve the root cause of the intermittent network connectivity problems post-reboot on your Windows 7 Pro computers deployed via MDT. If the issue persists, consider logging the problem on the affected machines for a comprehensive analysis or engage IT professionals to investigate further.