Issue occurs with racadm 8.0.1, 8.1, and 8.2 and have tested multiple iDRAC versions 2.21.21.21,2.30.30.30, and 2.40.40.40.

The error occurs whether running the command through several switches or with a management station plugged directly into the dedicate iDRAC management port.

Issue also occurs with both of the following commands:

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C:\RACADM>racadm.exe -r 192.168.0.120 -i update -f firmimg.d7

        The Copying Operation has begun,

        This might take several minutes to complete, depending on the network.

        Do not interrupt the operation.

ERROR: Unable to transfer update file to the RAC.

ERROR:  The Copy Operation Failed.

        The network connection may have been interrupted.

        Ensure connectivity to iDRAC and try again.

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C:\RACADM>racadm.exe -r 192.168.0.120 -i fwupdate -p -u -d c:\firmimg.d7

Transferring firmware image file to the RAC. Please wait...

then

ERROR: Unable to transfer image file to the RAC.