Symptoms

Backup of any type of backup set.

Cause

Generally this error message means low-level communication operation failed because of a slow response from the target object. It could happen during the network communication (low network speed), database query (a busy database server) or resources management process (lock or unlock).

Workaround

Indicates a slow response and most likely it is caused by the high usage of the limited resources: memory, cpu, network bandwidth, database resources.