CASXO0017S Unrecoverable error in XAT resource name XA interface, RM interface disabled

An unrecoverable error occured interfacing with the XA Resource Manager.
Restriction: This topic applies only when the Enterprise Server feature is enabled.
System Action:
The XA Resource Manager will not be called for future transactions.
Resolution:
Determine the cause of the failure and restart the system.
Module:
dfhexa
Destination:
Console.