Because this exception is triggered by the hardware itself, the root cause is rarely found in standard software applications. Instead, look toward these primary culprits:
The mention of "link" in your error string is ambiguous. In the context of MCE, it usually refers to one of two things: x64 exception type 0x12 machinecheck exception link
The error message "x64 Exception Type 0x12 - Machine Check Exception" Blog Post: Decoding the Beast – x64 Exception
: For a brief moment, he considered the "bare minimum" approach—stripping the machine down to a single processor and a single DIMM to isolate the fault. The error message "x64 Exception Type 0x12 -
Reseat or replace memory modules if the error points to a specific memory slot. Hewlett Packard Enterprise Quick Reference Table Likely Cause Recommended Action Voltage drop or logic error Update BIOS; Set "Max Performance" profile Uncorrectable ECC error Memory Diagnostics ; Reseat DIMMs Firmware incompatibility HBA/NIC drivers and firmware Overheating under load Increase fan speed/Cooling profile Could you tell me a bit more about the environment where this is happening? For example: What is the hardware model (e.g., HPE ProLiant, Dell PowerEdge)? Did this occur during or while the system was under load Do you have access to the System Event Logs code from the error logs. x64 Exception type 0x12 in ProLiant DL380 Gen10 Server
: He adjusted the BIOS settings, shifting the workload profile to "Virtualization - Max Performance" to stabilize power delivery to the bus.
The error log provided a "link" to the culprit: DETAILS: Uncorrectable PCI Express error detected. PCI Segment = 0x00 .