cannot start IST service. reason: aa...aa

An error occurred while starting or restarting the IST service.

aa...aa: Reason code

MEMORY: Insufficient memory

COMM: Communication error

CONFIG: Definition error

STSERR: Too small status file

VERSION: Version number unmatched

S: Terminates the IST service.

O: Take action according to the reason code.

• For MEMORY, follow message KFCA25519-E output before this one.
• For COMM, check the number of processes.
• For CONFIG, check the definition and estimate value of the shared memory.
• For STSERR, expand the status file size.
• For VERSION, check the version number.