The DVLA website is back up and running after a day of despair for drivers when the site was overwhelmed by traffic from motorists looking to renew their tax.
The problems lasted most of Wednesday, causing misery for thousands, and the DVLA acknowledged that it had been unable to cope with the huge rush.
However, on Thursday in a statement sent to V3, a DVLA spokesperson said that Vodafone had provided technical support to help prop up the stuttering website.
"We can confirm that the unprecedented demand for car tax online temporarily affected the services provided by Vodafone to DVLA," a statement read.
"Vodafone's engineers worked hard with us to resolve the issue as quickly as possible and the service has now been restored. Vodafone will continue to monitor the service closely and will be carrying out a full investigation into the issue."
The outage sparked outrage from drivers unable to tax their vehicles before the deadline. According to a report by the BBC, some motorists spent up to 13 hours online in attempts to renew their car tax.
V3 tried out the service and found that it was running much faster than it was 24 hours ago.
The crux of the problem was a move by the DVLA to scrap the paper-based tax disc and replace it with an electronic system from 1 October in order to cut costs.
People who needed to renew their tax for the month appear to have rushed to the DVLA's website which was unable to cope with the traffic.
The DVLA told V3 that the organisation had not predicted such high volumes of traffic given that they had broadcast the tax disc change well in advance of 1 October.
"More than 270,000 people successfully used our online car tax service yesterday - that's 30,000 more than on the same day last year," the spokeswoman said.
"We are of course very sorry for any inconvenience and we are urgently investigating to improve service quality for the minority of our customers that are experiencing issues."
These problems have not garnered any sympathy from Dynatrace, an application performance management specialist, which said the DVLA should have ensured its system could cope with escalating volumes of web traffic.
"High traffic volumes and beta sites are simply not an excuse," declared Michael Allen, vice president at Dynatrace.
"The digital citizen demands that web services work as expected when they go to use them. It's fairly straightforward to test performance these days to ensure that your service can cope with high levels of traffic."
The problems encountered by the DVLA appear to be in stark contrast to the aims of the government to transform the public sector to be digitally driven with systems and technology making life easier for citizens.
The need for such a digital transformation formed a large part of a manifesto presented by TechUK to the three main political parties, which outlined objectives that should be integrated into the agenda of the next government in order to promote Britain's position in the technology industry.
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