HP ProCurve Switch 212M Management And Configuration Manual page 149

N o t e
If an error occurs in which normal switch operation cannot be restored, the
switch automatically reboots itself. In this case, an appropriate message is
displayed in the copyright screen that appears after the switch reboots. You
can display the same information by selecting the Command Prompt option from
the Diagnostics Menu and executing the History command.
Another console session (through either a direct connection to a terminal
device or through Telnet) was already running when you started the
session in which the download was attempted.
File Transfers
Troubleshooting TFTP Downloads
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