Problems with connections to CICS Transaction Server.
Unable to connect over SNA
There are several possible reasons why CICS® Transaction Gateway is not able to connect
to CICS over SNA; for example
there might be a problem with an SNA server, or there might be a CICS Transaction Gateway configuration
problem. Alternatively, there might be a problem with the connection
definition in CICS.
IPIC connection to CICS fails
The client application receives an ECI_ERR_NO_CICS error
when attempting to send a request to CICS over an IPIC connection.