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CA XCOM Data Transport has a set of system parameters that govern its operation across all of its various interfaces. The CA XCOM Data Transport system parameters take effect as soon as CA XCOM Data Transport is started and, unless overridden, they remain in effect as long as CA XCOM Data Transport is active. These system parameters have historically been kept in the CA XCOM Data Transport Default Options Table. These parameters are now stored in a TYPE=CONFIG control library PDS member.
Important! A TYPE=CONFIG member is automatically created in the first data set in the XCOMCNTL DD concatenation. The first time a Default Options Table is used, for which no TYPE=CONFIG member exists. Subsequent server initialization using the same DFLTAB or CONFIG name uses the TYPE=CONFIG member instead of the assembled Default Options Table.
When migrating from r11.5 or below, it is mandatory that the Default Options Table is reassembled before starting a CA XCOM Data Transport address space for the first time. Reassembling the table ensures that default values for any new Default Option Table parameters are included in the creation of the TYPE=CONFIG member. Failure to reassemble the Default Option Table results in the following error message:
XCOMM002IE DEFAULT OPTIONS TABLE SHOULD BE REASSEMBLED.
GEN-LEVEL/VERSION (xxxx-xxx) DOES NOT MATCH XCOMXFER (yyyy-yyy).
The CA XCOM Data Transport address space is then terminated.
Note: For descriptions of CA XCOM Data Transport system parameters, see the chapter Configuration Parameters.
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