Windows Memory Diagnostic Mdsched.exe Microsoft Documentation Portable May 2026

mdsched.exe /? (Shows same GUI options only)

bcdedit /bootsequence memdiag (This makes memory diagnostic run on next boot.) mdsched

This covers everything you need to use Microsoft’s official memory diagnostic effectively. mdsched

| Option | What it does | |--------|---------------| | | Immediately reboots PC and runs the test. Recommended. | | Check for problems the next time I start my computer | Schedules the test for next reboot. Use if you need to save work first. | mdsched

However, you can manually schedule via registry or BCD: