I'm getting random restarts every few hours. This is one of the error messages I got in events viewer

Event ID 56 from source Application Popup with a message like:

Driver SCSI returned invalid ID for a child device (000000)

or similar PCI-related data typically indicates that Plug and Play (PnP) detected duplicate or conflicting device instance IDs for storage or PCI/NVMe devices. In Windows Server, this is a known condition when there are multiple paths to a disk or multiple NVMe devices of the same make/model.

In this scenario, PnP auto-generates unique instance IDs and logs Event ID 56. This event can be safely ignored and does not require user action. It does not by itself indicate a hardware failure or a direct cause of random restarts.

For random restarts every few hours, investigate other causes such as:

1. Check System and Application logs for critical errors (e.g., BugCheck, Kernel-Power, driver faults) around the time of the restart.
2. Look for hardware issues (power supply, RAM, storage) or driver/firmware problems unrelated to this Event ID 56.
3. Ensure all chipset, storage, and PCI/NVMe drivers and firmware are up to date from the system or motherboard vendor.

Event ID 56 in this context is informational/benign and should not be treated as the root cause of the restarts.

References:

• Event ID 56 is logged in Windows Server
• Tracking Events into Event Tracing in Windows
• Event log descriptions are not displayed correctly in the security event log on a remote computer that is running Windows Server 2008 SP2 or Windows Vista SP2