209-Unsupported DIMM configuration detected

Symptom

209-Unsupported DIMM configuration detected - Installed DIMM configuration does NOT support configured AMP Mode. System will operate in Advanced ECC Mode.

Cause

The DIMM configuration does not match the configured AMP mode.

CAUTION:

Failure to properly handle DIMMs can damage the DIMM components and the system board connector. For more information, see the DIMM handling guidelines in the troubleshooting guide for your product on the Hewlett Packard Enterprise website:

HPE ProLiant Gen10 (https://www.hpe.com/info/gen10-troubleshooting)
HPE Synergy (https://www.hpe.com/info/synergy-troubleshooting)

Action

Install DIMMs in a supported configuration.

For more information, see the memory population rules on the Hewlett Packard Enterprise website (https://www.hpe.com/docs/memory-population-rules).

For additional information, see the server user guide for your product:

HPE ProLiant Gen10 (https://www.hpe.com/info/proliantgen10-docs)
HPE Synergy (https://www.hpe.com/info/synergy-docs)