Ensure that your System z10, System z9, and zSeries hosts use the correct host bus adapters (HBAs) and host software.
You need a FICONExpress (FICONExpress, FICON Express2 or higher) adapter (also named host bus adapter (HBA)) on your z Systems server.
The following website provides information about which FICONExpress adapter is supported by the different IBMz Systems hosts: