If your Dell PowerEdge R720xd shows Error 2000-0251 during the Pre-Boot System Assessment, it indicates an issue with the RAID controller. Here’s how to troubleshoot and resolve this error efficiently:
What Causes Error 2000-0251?
This error typically points to:
• RAID controller failure or firmware corruption.
• Loose or faulty connections between the RAID controller and hard drives.
Steps to Fix the Issue
1. Power Cycle and Check Connections
• Turn off the server and disconnect all power sources.
• Inspect the RAID controller and hard drive connections. Ensure all cables and components are securely seated.
2. Update Firmware
• Download the latest RAID controller firmware from Dell’s official support site.
• Install updates via the Dell Lifecycle Controller or iDRAC to address potential firmware issues.
3. Reseat the RAID Controller
• Remove the RAID controller card from its slot.
• Reinsert it firmly and ensure it’s properly aligned.
4. Run Diagnostics Again
• Restart the server and rerun the Pre-Boot System Assessment.
• Check if the error persists or if additional error codes are displayed.
5. Replace Hardware (If Necessary)
If the above steps don’t resolve the issue, the RAID controller might be defective. Contact Dell Support for replacement options.
Final Thoughts
Error 2000-0251 in the Dell PowerEdge R720xd often stems from RAID controller issues. By reseating components, updating firmware, and checking connections, you can usually resolve the problem. For persistent issues, consult Dell Support for professional assistance.
