Cause
The database administrator on the host has varied the SID offline.
Action
Wait for it to be varied back on-line.
Oracle 26ai
ORA-06144
Error Message
NETTCP: SID (database) is unavailable
Error Message
NETTCP: SID (database) is unavailable
The database administrator on the host has varied the SID offline.
Wait for it to be varied back on-line.