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August 5th, 2025 22:11

PowerEdge T340 - Correctable memory errors detected for DIMM_A4

Hi All,

There is a PowerEdge T340 that generates "Correctable memory errors detected for DIMM_A4."

BIOS and iDRAC firmware versions were updated last night but the error is still generated.

I have already contacted Dell support and received the recommended steps:

1. perform drain - not done yet

2. update BIOS and iDRAC - done

3. perform DIMM swap from A4 to A1

The server is question is running Windows Server 2019 with Hyper-V role.

My question is if the memory errors detection warning may somehow affect OS and apps inside virtual machines running on the physical host.

Thanks.

Moderator

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5.1K Posts

August 6th, 2025 04:24

Hello, thanks for choosing Dell.
This is working as designed. 
The latest BIOS has memory self-healing,
but if the same DIMM keeps getting errors I would say it is better that we replace it. 
 

PowerEdge: What is DDR4 Self-healing with Intel Xeon Scalable Processors | Dell US
Correctable and uncorrectable memory errors on PowerEdge Server with DDR4 and changes to troubleshooting steps

https://www.dell.com/support/kbdoc/en-us/000053203/what-is-ddr4-self-healing-on-dell-poweredge-servers-with-intel-xeon-scalable-processors?msockid=1a5e8444c37364fc023690acc29e65bd

Let us know if it helps. Please visit our community anytime if you need some troubleshooting for your system.
Respectfully,

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