Bloomberg's trading terminal experienced a prolonged outage on Friday morning, resulting in a treasury auction in the U.K. being postponed.
Service was fully restored as of 4 p.m. London time.
"We experienced a combination of hardware and software failures in the network, which caused an excessive volume of network traffic," the company told CNBC in a statement. "This led to customer disconnections as a result of the machines being overwhelmed. We discovered the root cause quickly, isolated the faulty hardware, and restarted the software. We are reviewing our multiple redundant systems, which failed to prevent this disruption."
The company confirmed to CNBC that its terminal was unavailable worldwide, with traders from the U.K. and Singapore complaining on Twitter that they had been affected by the issue. The interruption began around 8.20 a.m. London time.