Event Id 1202 Memory Diagnostic Jun 2026

Get-WinEvent -FilterHashtable @LogName='System'; ProviderName='Microsoft-Windows-WHEA-Logger' | Where-Object $_.Id -eq 1202 | Select-Object TimeCreated, Message -First 10

Event ID 1202 is your system’s early warning system. Don’t ignore it if it appears repeatedly. Start with memory diagnostics, move to component isolation, and always ensure your firmware is up to date. event id 1202 memory diagnostic

Check the field in event details:

The Memory Diagnostic tool is a built-in Windows utility that tests the computer's memory for defects. When the tool detects an issue, it logs an event with ID 1202. This event indicates that the memory diagnostic test has found a problem with the system's memory, which could be caused by faulty RAM, incorrect memory settings, or other hardware issues. Check the field in event details: The Memory

| Frequency | Action | |-----------|--------| | Once a month | Monitor; likely normal for ECC RAM | | Several times a day | Test RAM with MemTest86 or vendor tool | | Multiple per hour + performance issues | Replace suspected DIMM or reseat modules | | Accompanied by system freezes | Immediate hardware replacement needed | | Frequency | Action | |-----------|--------| | Once