Unable to unprepare IPC buffer
ORA-27549 – Oracle Error Code
Update of buffer prepared for remote update failed
ORA-27500 – Oracle Error Code
Inter-instance IPC error
ORA-27533 – Oracle Error Code
Trying to destroy invalid connection identifier
ORA-27501 – Oracle Error Code
IPC error creating a port
ORA-27534 – Oracle Error Code
Cannot send unaligned message
ORA-27502 – Oracle Error Code
IPC error setting up signal handler
ORA-27504 – Oracle Error Code
IPC error querying network address of a port
ORA-27505 – Oracle Error Code
IPC error destroying a port
ORA-27506 – Oracle Error Code
IPC error connecting to a port