Why does the computer reboot after 72 hours of running Boot Disk continuously?

Windows PE (the environment Active@ Boot Disk runs on) automatically stops and reboots after 72 hours of continuous operation. This is a built-in Microsoft limitation designed to prevent WinPE from being used as a permanent production operating system, and it cannot be disabled through Windows PE settings directly.

If your erasure job may run longer than 72 hours:

• Plan around the limit. For large arrays, consider splitting the job into multiple sessions, or scheduling drives in batches that complete within the 72-hour window.

• Use a workaround utility. Sysinternals' PsSuspend (pssuspend64.exe for 64-bit Boot Disk) can be added to the User_Files folder in Boot Disk Creator to suspend the WinPE reboot timer process, allowing longer continuous sessions. Use this only if uninterrupted operation beyond 72 hours is required, and be aware this is an unsupported workaround, not an official Microsoft feature.

• Restart cleanly if the limit is reached. If WinPE does reboot at the 72-hour mark, any drive being erased at that moment should be checked and, if needed, restarted — erasure in progress is not guaranteed to resume automatically.

For more information, see Microsoft's official documentation: Windows PE overview.