Issue

We have noticed , "ECC Memory" errors on all virtual servers which is hosted in ESX. As there is no issue from ESX end.
We noticed this on all virtual servers.
Is it normal behavior or any issue?

# dmidecode -t system
# dmidecode 2.11
SMBIOS 2.4 present.

Handle 0x0001, DMI type 1, 27 bytes
System Information
        Manufacturer: VMware, Inc.
        Product Name: VMware Virtual Platform
        Version: None
        Serial Number: VMware-xx xx xx xx xx xx xx xx
        UUID: 502BC2A1-F8D7-EFFE-2719-E07BCC26C30C
        Wake-up Type: Power Switch
        SKU Number: Not Specified
        Family: Not Specified

Handle 0x0039, DMI type 15, 29 bytes
System Event Log
        Area Length: 16 bytes
        Header Start Offset: 0x0000
        Header Length: 16 bytes
        Data Start Offset: 0x0010
        Access Method: General-purpose non-volatile data functions
        Access Address: 0x0000
        Status: Invalid, Full
        Change Token: 0x00000036
        Header Format: Type 1
        Supported Log Type Descriptors: 3
        Descriptor 1: POST error
        Data Format 1: POST results bitmap
        Descriptor 2: Single-bit ECC memory error
        Data Format 2: Multiple-event
        Descriptor 3: Multi-bit ECC memory error
        Data Format 3: Multiple-event