Look for a white sticker on the server chassis.
Look for a sticker on the chassis (side or back) for rackmount or tower systems. asus server warranty check
If your company has a specific Service Level Agreement (SLA) with ASUS directly (often called a "Corporate POG"), the online tool may show the base warranty status, but your specific extended coverage details might need to be verified by contacting your ASUS enterprise distributor or sales rep. Look for a white sticker on the server chassis
If the serial number does not exist or shows a warranty that contradicts your purchase agreement, the unit may be gray market or refurbished. Contact your vendor immediately. asus server warranty check