CCL4661E SNA stack component was not loaded or was terminated, APPC return code primary RC
Explanation
A required SNA stack component could not be loaded or was terminated while processing an APPC call. On Windows this error could indicate that the IBM CICS® Transaction Gateway service does not have the required Windows domain logon authority to communicate with the Communications Server.
System action
IBM CICS Transaction Gateway continues but SNA connections are not available.
User response
Refer to the documentation for your Communications Server for possible causes of this error. If the problem persists, contact your service organization.