Ensure that your System z10®, System z9®, and zSeries® hosts are using the correct host bus adapters (HBAs) and host software.
You need a FICON® Express® (FICON Express, FICON Express2 or higher) adapter (also named host bus adapter (HBA)) on your System z® server.
The following Web site provides information about which FICON Express adapter is supported by the different IBM® System z hosts: