Hi,   please check this article if this solves your problem. If you still have any questions please provide more information about the affected System.   Regards Martin
Sep 30 14:46:22 apiserv Server_Administrator: 1421 5440 - Instrumentation Service Severity: Informational, Category: System Health, MessageID: MEM0804, Message: The self-heal operation successfully completed at DIMM A5.Sep 30 14:46:22 apiserv Server_Administrator: 1421 1402 - Instrumentation Service Memory device status is normal #012Memory device location: A5 #012Possible memory module event cause:Single bit failure error rate exceeded,Multi bit error encounteredSep 30 14:46:22 apiserv Server_Administrator: 1421 1440 - Instrumentation Service Memory device status is normal #012Memory device location: A5 #012Possible memory module event cause:The self-heal operation successfully completed at DIMMSep 30 14:47:27 apiserv Server_Administrator: 1421 5440 - Instrumentation Service Severity: Informational, Category: System Health, MessageID: MEM0804, Message: The self-heal operation successfully completed at DIMM A1.Sep 30 14:47:27 apiserv Server_Administrator: 1421 5440 - Instrumentation Service Severity: Informational, Category: System Health, MessageID: MEM0804, Message: The self-heal operation successfully completed at DIMM A5.Sep 30 14:47:27 apiserv Server_Administrator: 1421 1402 - Instrumentation Service Memory device status is normal #012Memory device location: A5 #012Possible memory module event cause:Single bit failure error rate exceeded,Multi bit error encounteredSep 30 14:47:27 apiserv Server_Administrator: 1421 1440 - Instrumentation Service Memory device status is normal #012Memory device location: A5 #012Possible memory module event cause:The self-heal operation successfully completed at DIMMSep 30 14:48:31 apiserv Server_Administrator: 1421 5440 - Instrumentation Service Severity: Informational, Category: System Health, MessageID: MEM0804, Message: The self-heal operation successfully completed at DIMM A1.Sep 30 14:49:37 apiserv Server_Administrator: 1421 5440 - Instrumentation Service Severity: Informational, Category: System Health, MessageID: MEM0804, Message: The self-heal operation successfully completed at DIMM A5.Sep 30 14:49:37 apiserv Server_Administrator: 1421 1402 - Instrumentation Service Memory device status is normal #012Memory device location: A5 #012Possible memory module event cause:Single bit failure error rate exceeded,Multi bit error encounteredSep 30 14:49:37 apiserv Server_Administrator: 1421 1440 - Instrumentation Service Memory device status is normal #012Memory device location: A5 #012Possible memory module event cause:The self-heal operation successfully completed at DIMM The OS keeps getting the same log. If the memory self-healing log keeps popping up, is it a memory problem?  
OS log related inquiries. Same log redundancy for messages.