OCI-16713
The Oracle Data Guard broker command timed out.
Cause
The Oracle Data Guard broker timed out a health check, get property, or set property command because it took longer than the number of seconds specified by the OperationTimeout configuration property to complete.
Action
Enable support level tracing (the TraceLevel configuration property should be set to SUPPORT) and then examine the Data Guard broker log files for warnings or errors to see what may be causing the operation to be timed out.