Unable to change the SYS_SERIAL_NUM for 9.7 simulator

[anilg]

As per the instructions - ran the following commands 

Change the serial number and system ID for this node:

a) VLOADER> setenv SYS_SERIAL_NUM 4034389-06-2

b) VLOADER> setenv bootarg.nvram.sysid 4034389062 

Verify that the information was saved correctly:

a) VLOADER> printenv SYS_SERIAL_NUM

b) VLOADER> printenv bootarg.nvram.sysid

a) VLOADER> boot

further I get the following error 

[GidonMarcus · Accepted solution]

that's expected. Just type "Y".