Lan plc and lan hmi

[RISHI KUMAR]

Dear all we have wincc v6 sp4 system i changed server witch one was standby after i got errors buti did something and it was working good. when i stop runtime and i shutdown my system . and restart again i got truble some perameters was not working . and i changed somthing but now all perameters not working we working in drilling rig. and this unit we fixed for drilling perameters. i think not comnucation from LAN PLC AND LAN HMI.
plese can anybody help me

[sicarie]

I'm sorry, I don't understand your question.

Could you clarify what version of Windows?

What was the error you were getting? What did you change?