VSAM was unable to obtain VTAM® private storage for the checkpoint data set identified by name.
VTAM terminates checkpointing.
If VTAM has been initialized, wait a short time and reenter the command. If VTAM continues to issue this message, enter the DISPLAY STORUSE command to display storage usage for storage pools. Message IST981I displays total VTAM private storage information. If this message does not appear in the display, you might need to reissue the DISPLAY STORUSE command, specifying a higher value for the NUM operand. See z/OS Communications Server: SNA Operation for additional information. Save the system log and request a dump for problem determination.
If VTAM initialization failed, save the system log for problem determination.
Check the output provided by the operator to ensure that all requirements for VTAM are correct for your system. Re-evaluate your storage needs for the VTAM address space and increase storage as required. To restart checkpointing, halt and restart VTAM.
See the z/OS Communications Server: SNA Diagnosis Vol 2, FFST Dumps and the VIT for information about analyzing dumps and about analyzing storage using the VIT analysis tool, if external trace is active.
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