Dell PowerEdge XE8640 Installation And Service Manual page 56

Table 55. Configuration validation error (continued)
Error Description
Comm Error A configuration element is not responding
to iDRAC using the management interface
while running an inventory check.
56 Minimum to POST and system management configuration validation
Possible cause and
recommendations
Missing element or cable
is reported in HWC8010
error logs. Install the
missing element (cable,
risers, etc).
System management
sideband communication
Unplug AC Power, reseat
the element and replace
the element if the problem
persists.
Example
Config Missing : SL cable
PLANAR_SL8 and CTRL_DST_PA1
Comm Error: Backplane 2