Trying to install 5.2.1 using mcc cabinets. tn2312 is not a valid option in slot 01b01.The system is currently running 2.1.2 on s8700 servers and has duplicate ipsi. I added cab, 5 carrier, sys par dup is yes. but cha ips only has the 1 ipsi 01axx. This is only temporary the final load will be 6.1.