X64 Exception Type 0x12 Machinecheck Exception Link Info

A transient issue where a PCIe card fails to initialize fast enough during POST, which may resolve upon a reboot. Troubleshooting and Fixes for 0x12 MCE

To get the most out of the exception type 0x12, we recommend:

: He synchronized the server component firmware using the latest Service Pack for ProLiant (SPP) .

The processor itself can trigger an MCE when internal components malfunction. This includes issues with: x64 exception type 0x12 machinecheck exception link

In the x86/x64 architecture, interrupts and exceptions are identified by vectors. Vector 0x12 (decimal 18) is reserved exclusively for the .

Navigate to the or System Event Log.

On 64-bit systems, the error detection logic is even more sensitive. Common root causes include: A transient issue where a PCIe card fails

This error, often presented as a red screen on servers (e.g., HPE ProLiant Gen10) or a fatal Windows crash, indicates a specific failure within the .

: Outdated BIOS or microcode that cannot properly manage hardware power transitions or communication. Hewlett Packard Enterprise Community Immediate Troubleshooting Steps x64 Exception type 0x12 in ProLiant DL380 Gen10 Server

In x86-64 computing architecture, 0x12 is the hexadecimal representation for , which is explicitly reserved for the Machine Check Exception (#MC). This includes issues with: In the x86/x64 architecture,

Outdated server BIOS or component firmware (e.g., NICs, Smart Array controllers) failing to initialize correctly, particularly under specific workloads.

Does the crash happen during (like gaming, booting, or idling)? Share public link

!!!! X64 Exception Type - 12(#MC - Machine-Check) CPU Apic ID - 00000000 !!!!