
Chapter 5. Operations 135
The two high-order bytes of the reason codes returned contain a value that is used to qualify
the contents of the two low-order bytes.
Where to look for possible causes of error
Most problems are caused by errors in AT-TLS setup. See 5.6.5, “AT-TLS errors” on page 135.
5.6.4 TCP/IP errors
TCP/IP Messages start with prefix EZZ. The message also gives an explanation of the error.
Where to look for explanation of the error
For more information, see the z/OS Communications Server IP Messages manual.
Where to look for possible causes of error
Most problems are caused by errors in AT-TLS setup. See 5.6.5, “AT-TLS errors” on page ...